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Study sets matching "data analysis"

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Study sets matching "data analysis"

Data Analysis
Box plot (Box and whisker plot)
Categorical data
Data
Dot plot
A graphic way to display the median, quartiles, and extremes…
The statistical data type consisting of categorical variables…
A collection of facts, such as numbers, words, measurements,…
A statistical chart consisting of data points plotted on a fa…
Box plot (Box and whisker plot)
A graphic way to display the median, quartiles, and extremes…
Categorical data
The statistical data type consisting of categorical variables…
29 terms
Data Analysis
distribution of data
frequency
frequency distribution
relative frequency
values of the variable and how frequently the values are obse…
count; number of times that a category or value appears in th…
a table or graph that presents the categories or numerical va…
frequency divided by the total number of data
distribution of data
values of the variable and how frequently the values are obse…
frequency
count; number of times that a category or value appears in th…
30 terms
Data Analysis
Scientific Notation
Exponents
like terms
Accuracy
Used for either really large or small numbers, often used whe…
In order to add or subtract scientific notations, the _______…
To multiply or divide scientific notation, you multiply the _…
closeness of measurements to the largest value
Scientific Notation
Used for either really large or small numbers, often used whe…
Exponents
In order to add or subtract scientific notations, the _______…
11 terms
data analysis
data
Interview method
Direct observation:
Indirect observation
value assigned to a physical object, behavior, or concept ... -f…
data derived directly from individuals by the researcher; dir…
actual observation of behavior
observation of physical traces of behavior; observing evidenc…
data
value assigned to a physical object, behavior, or concept ... -f…
Interview method
data derived directly from individuals by the researcher; dir…
13 terms
Data Analysis
Descriptive statistics
Histogram
Scatterplot
Median
Summarizes variables in a data set and examine how the variab…
A graphic presentation of a frequency distribution.
Ideal for visualizing the relationship between quantitative v…
The middle point in a set of numbers that has been arranged i…
Descriptive statistics
Summarizes variables in a data set and examine how the variab…
Histogram
A graphic presentation of a frequency distribution.
11 terms
Analysis of Data
Constants
Variables
independent/control variable
dependent/responding variable
physical quantities whose value remains the same every time i…
physical quantities whose value changes ... ex: speed of a car,…
the variable that controls the other
the variable that depends on the other
Constants
physical quantities whose value remains the same every time i…
Variables
physical quantities whose value changes ... ex: speed of a car,…
9 terms
Data Analysis
quantitative data
categorical data
types of center
mean
number sets (height, weight, age...)
labeled data (color, city...)
1) mean... 2) median... 3) mode
sum of all values / number of values
quantitative data
number sets (height, weight, age...)
categorical data
labeled data (color, city...)
45 terms
Data analysis
Tests of significance tell us if our r…
Measures of association
Measures of association help social sc…
The relationship between measures of a…
d. measures of association
d. Both A and C.... c. enhance our ability to predict from one v…
d. prediction and understanding causation
b. association does not prove causation
Tests of significance tell us if our r…
d. measures of association
Measures of association
d. Both A and C.... c. enhance our ability to predict from one v…
40 terms
Data Analysis
biased question
biased sample
central tendency
data
a question that leads individuals toward a certain answer.
a sample not representative of the entire population.
ways to describe or summarize data.
information
biased question
a question that leads individuals toward a certain answer.
biased sample
a sample not representative of the entire population.
46 terms
Data Analysis
statistic
parameter
descriptive statistics
inferential statistics
a quantity computed from a sample
a quantity computed from a population
describe central tendency and variability of a sample
allow us to draw conclusions about a population from a sample
statistic
a quantity computed from a sample
parameter
a quantity computed from a population
9 terms
Data Analysis
Cross tabulations
Analysis of variance
Regression
Factor analysis
Looking for specific attitudes or behaviors that occur more o…
Looking for averages that differ well beyond what their varia…
Dividing variables into predictors and outcomes to estimate h…
Groups highly correlated variables and groups them into facto…
Cross tabulations
Looking for specific attitudes or behaviors that occur more o…
Analysis of variance
Looking for averages that differ well beyond what their varia…
12 terms
Data Analysis
Statistics
Data
Quantitative Data
Qualitative Data
the collection, organization, analysis, and interpretation of…
facts or figures from which conclusions can be drawn
expressing a certain quantity, amount or range. Usually, ther…
is a categorical measurement expressed not in terms of number…
Statistics
the collection, organization, analysis, and interpretation of…
Data
facts or figures from which conclusions can be drawn
12 terms
Data Analysis
Positive Relationship
Negative Relationship
S
Sigma (o with line across top)
When two sets of data correlates upwards and downwards together
When two sets of data correlates upwards and downwards in opp…
Symbol for sample standard deviation
Symbol for population standard deviation
Positive Relationship
When two sets of data correlates upwards and downwards together
Negative Relationship
When two sets of data correlates upwards and downwards in opp…
71 terms
Data Analysis
Variable
Distribution of data
Frequency/count
Frequency distribution
...
...
...
...
Variable
...
Distribution of data
...
Data analysis
Mean
Median
Mode
Range
The average value of all scores, calculated by adding all the…
The middle value when all scores are placed in rank order.
The value that occurs most frequently.
Measure of dispersion. The difference between the smallest an…
Mean
The average value of all scores, calculated by adding all the…
Median
The middle value when all scores are placed in rank order.
9 terms
Data Analysis
Acurate
Precise
Error Precent
Significant Figure
Refers to the closeness of the true value or accepted value
A set of measurements done the same way and they are close in…
Error=|accepted value - exact precise value| ... Error=|(accept…
The number that consists of two parts
Acurate
Refers to the closeness of the true value or accepted value
Precise
A set of measurements done the same way and they are close in…
44 terms
Data Analysis
Descriptive Statistics
Inferential Statistics
Measures of Central Tendency
Mean
Numbers used to describe the levels and associations found in…
Numbers used to estimate the probability that levels and asso…
Also known as an average; mean, median, mode
Sum of a set of scores divided by the number of scores; Inter…
Descriptive Statistics
Numbers used to describe the levels and associations found in…
Inferential Statistics
Numbers used to estimate the probability that levels and asso…
17 terms
Data Analysis: Qualitative Data
The Nature of Data:
Data Builds toward Theory:
Analytic Induction:
Strauss and Corbin's Coding Paradigm:
Almost anything written or seen can be qualitative data ... Tran…
Basic question we want answered is: What's going on here? ... Ea…
beginning with a single observation, every observation is com…
The phenomenon... The conditions... Actions/interactions... The conseq…
The Nature of Data:
Almost anything written or seen can be qualitative data ... Tran…
Data Builds toward Theory:
Basic question we want answered is: What's going on here? ... Ea…
11 terms
Data Analysis
Measures of Central Tendency
Measures of Dispersion (Spread)
Mean
Median
The mean, median and mode are considered the measures of cent…
The range and interquartile range are considered the measures…
The average of the numbers in the set. It is obtained by addi…
The middle number in a data set with an odd number of data. T…
Measures of Central Tendency
The mean, median and mode are considered the measures of cent…
Measures of Dispersion (Spread)
The range and interquartile range are considered the measures…
31 terms
Data Analysis
__ - used for separation of mixtures
___ - stationary phase is a thin layer…
___ - used for drug screening
___ - mobile phase, inert gas carries…
chromatography
TLC (thin layer chromatography)
chromatography
gas chromatography
__ - used for separation of mixtures
chromatography
___ - stationary phase is a thin layer…
TLC (thin layer chromatography)
44 terms
Data Analysis
structured reference
logical condition
type: custom
type- text length
actual table name/column header
an expression that returns either a TRUE value or a FALSE value
acceptable values: values based on the results of a logical f…
acceptable value- text limited to a specified number of chara…
structured reference
actual table name/column header
logical condition
an expression that returns either a TRUE value or a FALSE value
16 terms
Data Analysis
Accuracy
base unit
conversion factor
density
refers to how close a measured value is to an accepted value.
A defined unit in a system of measurement that is based on an…
A ratio of equivalent values used to express the same quantit…
A ratio that compares the mass of an object to its volume
Accuracy
refers to how close a measured value is to an accepted value.
base unit
A defined unit in a system of measurement that is based on an…
17 terms
Data analysis
Statistics
Raw data
Variable
Continuous variable
The branch of mathematics that deals with the gathering, orga…
Unprocessed information collected
The quantity being measured
Can have an infinite number of possible values within a given…
Statistics
The branch of mathematics that deals with the gathering, orga…
Raw data
Unprocessed information collected
10 terms
Data Analysis Module 3
Measures of Variation
Measures of Variation include
Range
Interquartile Range (IQR)
Give information on the spread or variability of the data val…
Range, interquartile range, variance, standard deviation, and…
Simplest measure of variation - difference between largest an…
IQR is a resistant summary measure. Eliminates outlier proble…
Measures of Variation
Give information on the spread or variability of the data val…
Measures of Variation include
Range, interquartile range, variance, standard deviation, and…
123 terms
Data Analysis
One of the most important principles o…
To use a constant value in a formula:
You can mix relative and absolute refe…
The Excel formulas you write can refer…
A constant value should be entered only one time in a workbook.
reference its cell location.
TRUE
TRUE
One of the most important principles o…
A constant value should be entered only one time in a workbook.
To use a constant value in a formula:
reference its cell location.
43 terms
DATA ANALYSIS
Variable
Attributes
Operationalization
Mutually Exclusive
Anything that varies in the social world. Anything that shows…
Characteristics that make up a variable. (ex. female, male, o…
Listing the attributes of a variable, ensuring that the list…
Every observation falls into one, and only one category of th…
Variable
Anything that varies in the social world. Anything that shows…
Attributes
Characteristics that make up a variable. (ex. female, male, o…
Data Analysis
Replicates
Central tendencies
Standard deviation
Central limit theorem
The number of times a measurement is taken on a certain indiv…
The degree of clustering of the values of a statistical distr…
Quantity calculated to indicate the extent of deviation for a…
The sampling distribution of independent, identical statistic…
Replicates
The number of times a measurement is taken on a certain indiv…
Central tendencies
The degree of clustering of the values of a statistical distr…
92 terms
Data analysis
Hypothesis testing
Operational definition
Correlation
Random assignment
The process of drawing conclusions about whether a particular…
The operations or procedures used to measure or manipulate a…
An association between two or more variables
The protocol established for an experiment whereby every part…
Hypothesis testing
The process of drawing conclusions about whether a particular…
Operational definition
The operations or procedures used to measure or manipulate a…
60 terms
data analysis
____________analysis is concerned with…
two decisions regarding null hypothesi…
accepting the null hypothesis when it…
rejecting the null hypothesis when it…
-statistical ... -relationship
NH is true... NH is false
type II error
type I error
____________analysis is concerned with…
-statistical ... -relationship
two decisions regarding null hypothesi…
NH is true... NH is false
31 terms
Data Analysis*
Level of analysis from most basic to m…
Description analysis
Generalization Analysis
Differences
1. Description... 2. Generalization ... 3. Differences... 4. Relations…
data summarization and simple description
project sample findings to the population
detect differences in responses
Level of analysis from most basic to m…
1. Description... 2. Generalization ... 3. Differences... 4. Relations…
Description analysis
data summarization and simple description
15 terms
Data Analysis
Main Types of Data Analysis
Descriptive Analysis
Examples of Descriptive Analysis
Content Analysis
Descriptive and Inferential
summarizes Data from your particular sample and conclusions c…
Content Analysis... Descriptive statistics... Statistical relations…
Process of organizing unstructured observations or interviews…
Main Types of Data Analysis
Descriptive and Inferential
Descriptive Analysis
summarizes Data from your particular sample and conclusions c…
12 terms
Data Analysis Module 5
Either/Or (The Union)
Conditional Probability
Multiplication Rule
Independent Events
The Union of events, A and B, is where either A or B, or A an…
The probability of one event conditional upon the state of an…
Two Events are said to be independent if the results of the f…
Either/Or (The Union)
The Union of events, A and B, is where either A or B, or A an…
Conditional Probability
The probability of one event conditional upon the state of an…
9 terms
Data Analysis
Interval Data
Mean
Ratio Data
Standard Deviation
a level of measurement where units of equal measurement are u…
calculated by adding up all the data items and dividing be th…
a level of measurement on a scale like interval, but has a tr…
the measure of the spread across the mean.
Interval Data
a level of measurement where units of equal measurement are u…
Mean
calculated by adding up all the data items and dividing be th…
9 terms
Data Analysis
Cross tab
Analysis of variance
Regression analysis
Factor analysis
Frequency counts... Conditions, attitudes, and/or behaviors that…
Variability around an average... Averages that differ beyond exp…
Relationship between a dependent variable and one or more ind…
Data reduction techniques... Identify highly correlated variable…
Cross tab
Frequency counts... Conditions, attitudes, and/or behaviors that…
Analysis of variance
Variability around an average... Averages that differ beyond exp…
18 terms
Data Analysis
Primary Data
Bedload Roundness Bradshaw
Bedload Roundness Describe
Bedload Roundness Explain
Data/analysis based on Bradshaw's Model of how channel charac…
According to Bradshaw the roundness of the rocks should incre…
Using Callieux Index of Roundness (CIR) we measured the round…
According to Bradshaw the roundness of the rocks should incre…
Primary Data
Data/analysis based on Bradshaw's Model of how channel charac…
Bedload Roundness Bradshaw
According to Bradshaw the roundness of the rocks should incre…
9 terms
Data Analysis
Data
Building blocks of information
Data management
Information
is raw facts that have yet to be processed to reveal true mea…
Data
generation, storage and retrieval of information
occurs when data is produced where data's meaning is revealed
Data
is raw facts that have yet to be processed to reveal true mea…
Building blocks of information
Data
Data Analysis
range
mean
median
mode
difference between the highest and lowest data items
the sum of data items divided by the number of items
middle data item when data is ordered from least to greatest
data that occurs most often
range
difference between the highest and lowest data items
mean
the sum of data items divided by the number of items
22 terms
Data Analysis
Measures of Central Tendency
Mean
Advantage of the Mean
Disadvantage of the Mean
Measures the middle or average in a set of data.
Add up all the values in the data and divide by the amount of…
Most sensitive measure of central tendency as all of the data…
Easily affected (skewed) by extreme scores so can be less val…
Measures of Central Tendency
Measures the middle or average in a set of data.
Mean
Add up all the values in the data and divide by the amount of…
31 terms
Data Analysis
Qualitative Data
Quantitative Data
Primary Data
Secondary Data
Data that is expressed in words and non--numerical (although…
Data that can be counted. Usually given as numbers
Information that has been obtained first hand by the research…
Information that has already been collected by somebody else…
Qualitative Data
Data that is expressed in words and non--numerical (although…
Quantitative Data
Data that can be counted. Usually given as numbers
14 terms
Data Analysis
Frequency Distribution
Relative frequency
Segmented/Stacked bar graph
Histogram
The frequency or count of a particular category or numerical…
Relative frequency of an element is the frequency (or count)…
Each bar represents a category (the variable measured) which…
A bar graph with no spaces between the bars. Any space betwee…
Frequency Distribution
The frequency or count of a particular category or numerical…
Relative frequency
Relative frequency of an element is the frequency (or count)…
16 terms
Data Analysis
Accuracy
Base Unit
Conversion Factor
Density
refers to how close a measured value is to an accepted value
defined unit in a system of measurement that is based on an o…
ratio of equivalent values used to express the same quantity…
ratio that compares the mass of an object to its volume
Accuracy
refers to how close a measured value is to an accepted value
Base Unit
defined unit in a system of measurement that is based on an o…
71 terms
Data Analysis
What is the analysis of QUANative data?
Statistics=
2 types of statistics:
What are descriptive statistics?
Use of statistics to examine & summarize nnnumerical data to…
An estimate of characteristics derived from data collected
1) Descriptive ... 2) Inferential... Inferential
Statistics that enable description & summarization of collect…
What is the analysis of QUANative data?
Use of statistics to examine & summarize nnnumerical data to…
Statistics=
An estimate of characteristics derived from data collected
16 terms
Data Analysis
Base Unit
Derived Units
Volume
Denstity
A defined unit based on an object or event in the physical wo…
Combination of base units.
The space occupied by an object.
A ratio comparing the mass of an object to its volume.
Base Unit
A defined unit based on an object or event in the physical wo…
Derived Units
Combination of base units.
22 terms
Data analysis
Base Unit
Time
Length
Mass
A defined unit based on an object or event in the physical wo…
Seconds (s)
Meyer (m)
Kilogram (kg)
Base Unit
A defined unit based on an object or event in the physical wo…
Time
Seconds (s)
16 terms
data analysis
accuracy
base unit
conversion factor
density
refers to how close a measured value is to an accepted value
is a defined unit in a system of measurement that is based on…
is a ratio of equivalent values used to express the same quan…
is a ratio that compares the mass of an object to its volume
accuracy
refers to how close a measured value is to an accepted value
base unit
is a defined unit in a system of measurement that is based on…
23 terms
Data Analysis
Base Unit
Volume
Density
Scientific Notation
A defined unit based on an object or event in the physical wo…
The space occupied by an object
A ration comparing the mass of an object to its volume
Expresses really large or really small measurements as a prod…
Base Unit
A defined unit based on an object or event in the physical wo…
Volume
The space occupied by an object
data analysis
Percentage
Nominal
Ordinal
True
The phrase "50% of the class" represents what type of derived…
Which of the following is considered the lowest level of data?
The order in which a group of horses finish a race represents…
A histogram is useful for presenting distributions of observa…
Percentage
The phrase "50% of the class" represents what type of derived…
Nominal
Which of the following is considered the lowest level of data?
13 terms
Data analysis
Point estimate
Margin of error
Population parameter
Confidence interval
Sample stat calculated on data drawn from a random sample
Error of random sample when estimating the population parameter
Characterises a population e.g m/p/sd
Range of values where it is likely that the population parame…
Point estimate
Sample stat calculated on data drawn from a random sample
Margin of error
Error of random sample when estimating the population parameter
98 terms
Data Analysis Final
The statement, "Forty percent of the c…
Statistics will do all of the followin…
Which sampling method is best for stud…
Statistical literacy is necessary for…
Descriptive
Prove relationships
Cluster sampling
True
The statement, "Forty percent of the c…
Descriptive
Statistics will do all of the followin…
Prove relationships
32 terms
Data Analysis
Descriptive statistics
Bivariate analysis
Multivariate analysis
Tabulation
Used to describe characteristics of a sample
Evidence of the extent to which X and Y facts occur together…
Evidence of the extent to which multiple factors occur togeth…
The orderly arrangement of data in a table or other summer fo…
Descriptive statistics
Used to describe characteristics of a sample
Bivariate analysis
Evidence of the extent to which X and Y facts occur together…
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