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Study sets matching "statistics probability"

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Study sets matching "statistics probability"

29 terms
Probability and Statistics
Probability
Probability of Independent Events
Probability of Dependent Events
Fundamental Counting Principle
Probability
Probability of Independent Events
64 terms
Probability and Statistics
frequency table
relative frequency table
pictograph
circle graphs
shows how frequently each unique value appears in the set
shows the proportions of each unique value compared to the en…
graph, generally in the hoorizontal orientation, thta uses pi…
also known as pie charts, provide a visual depiction of the r…
frequency table
shows how frequently each unique value appears in the set
relative frequency table
shows the proportions of each unique value compared to the en…
14 terms
Probability & Statistics
Probability
Outcome
Event
Independent Event
is the measure of how likely an event is (where 0 indicates i…
is the result of a single trial of an experiment.
is one or more outcomes of an experiment
Two events, A and B, are independent if the fact that A occur…
Probability
is the measure of how likely an event is (where 0 indicates i…
Outcome
is the result of a single trial of an experiment.
10 terms
Probability and Statistics
Mean
Mode
Median
Range
the average of a group of numbers
The number that occurs most often in a set of data
The middle number in a set of numbers that are listed in order
the greatest number minus the least number
Mean
the average of a group of numbers
Mode
The number that occurs most often in a set of data
15 terms
Probability & Statistics
Outcome
Probability
Random
Complementary event
Any one of the possible results of an action.
The likelihood that a particular event will occur
Outcomes occur at random if each outcome is equally likely to…
The events of one outcome happening and that *outcome not h…
Outcome
Any one of the possible results of an action.
Probability
The likelihood that a particular event will occur
15 terms
Statistics and Probability
Box-and-Whisker Plot
Outlier
Quartile
Bar Graph
shows the distribution of data. The middle... half of the data i…
a number in a set of data that is much larger or much smaller…
1) Division of data into 4 equal parts
A graph that uses horizontal or vertical bars to display data
Box-and-Whisker Plot
shows the distribution of data. The middle... half of the data i…
Outlier
a number in a set of data that is much larger or much smaller…
18 terms
Probability & Statistics
Statistics ?
Variables?
What is Descriptive Statistics ?
What is Inferential Statistics?
Study of how to collect, organize, analyze, and interpret
Characteristics of the person or object being measured or obs…
Consists of the collection organization summarization and pre…
Uses probability (the chance of something occurring) to deter…
Statistics ?
Study of how to collect, organize, analyze, and interpret
Variables?
Characteristics of the person or object being measured or obs…
37 terms
Statistics and Probability
Frequency distribution
Event
Population
Mean
Given 2, 3, 1, 2, 1, 3, 2, 3, 4, 5, 4, 2, 2, 3: 1 happens 2 t…
is an outcome or a collection of outcomes... Examples:Rolling a…
The whole group from which a sample is taken; an entire group…
The mean is the average of the numbers: a calculated "central…
Frequency distribution
Given 2, 3, 1, 2, 1, 3, 2, 3, 4, 5, 4, 2, 2, 3: 1 happens 2 t…
Event
is an outcome or a collection of outcomes... Examples:Rolling a…
9 terms
Probability and Statistics
Theoretical Probability
Experimental Probability
Law of Large Numbers
Fundamental Counting Principle
the expected... probability and can be found with a formula.
determined by carrying out a simulation or an... experiment.
In experimental probability, as the number of trials... increase…
a computational procedure to determine the number of... possible…
Theoretical Probability
the expected... probability and can be found with a formula.
Experimental Probability
determined by carrying out a simulation or an... experiment.
29 terms
Probability and Statistics
Probability
Probability of Independent Events
Probability of Dependent Events
Fundamental Counting Principle
Probability
Probability of Independent Events
8 terms
Probability and Statistics
Multiplication Rule
Addition Rule
Conditional Probability
Normal Distribution
P(A n B) = P(A) x P(B) Independent Events
P (A u B) = P(A) + P(B) - P(A n B)
68 - 95 - 99.7
Multiplication Rule
P(A n B) = P(A) x P(B) Independent Events
Addition Rule
P (A u B) = P(A) + P(B) - P(A n B)
23 terms
Probability and Statistics
outcome
event
sample space
probability
the possible result of a situation or experiment
a single outcome or a group of outcomes
the set of all possible outcomes
the numerical value from 0 to 1 that measures the likelihood…
outcome
the possible result of a situation or experiment
event
a single outcome or a group of outcomes
37 terms
Statistics and Probability
Frequency distribution
Event
Population
Mean
Given 2, 3, 1, 2, 1, 3, 2, 3, 4, 5, 4, 2, 2, 3: 1 happens 2 t…
Rolling a die, flipping a coin, drawing a marble from a bag,…
The whole group from which a sample is taken; an entire group…
The mean is the average of the numbers: a calculated "central…
Frequency distribution
Given 2, 3, 1, 2, 1, 3, 2, 3, 4, 5, 4, 2, 2, 3: 1 happens 2 t…
Event
Rolling a die, flipping a coin, drawing a marble from a bag,…
26 terms
Statistics Probability
randomness
Apophenia
Gambler´s fallacy
Law of large numbers
Random is not just a property of that phenomenom, but very mu…
We see all sorts of patterns in what is really ramdom data. W…
the false idea that a ramdom phenomenom can be predicted from…
randomness changes from something which is variable and unpre…
randomness
Random is not just a property of that phenomenom, but very mu…
Apophenia
We see all sorts of patterns in what is really ramdom data. W…
19 terms
Statistics & Probability
bar graph
line graph
dot plot
frequency
How often a piece of data occurs.
bar graph
line graph
29 terms
Probability and Statistics
Probability
Probability of Independent Events
Probability of Dependent Events
Fundamental Counting Principle
Probability
Probability of Independent Events
46 terms
Probability and Statistics
Practical Significance
Statistical Significance
Parameter
Statistic
State practical significance/implications of the results
When results achieved are very unlikely to occur by chance
Numerical measurement describing some characteristic of a pop…
Numerical measurement describing a sample
Practical Significance
State practical significance/implications of the results
Statistical Significance
When results achieved are very unlikely to occur by chance
29 terms
Probability and Statistics
Probability
Probability of Independent Events
Probability of Dependent Events
Fundamental Counting Principle
Probability
Probability of Independent Events
20 terms
Probability and Statistics
outcome
event
sample space
probability
the possible result of a situation or experiment
a single outcome or a group of outcomes
the set of all possible outcomes
the numerical value from 0 to 1 that measures the likelihood…
outcome
the possible result of a situation or experiment
event
a single outcome or a group of outcomes
13 terms
Probability and Statistics
Median
Mode
Arithmetic Mean
Central Tendency
The 'median' is the 'middle' value in a list of odd numbered…
The 'mode' of a set of data is the value in the set that occu…
The Arithmetic Mean is found by taking the sum of the data, a…
The center or middle of a distribution. There are many measur…
Median
The 'median' is the 'middle' value in a list of odd numbered…
Mode
The 'mode' of a set of data is the value in the set that occu…
11 terms
Probability and Statistics
Probability
Event
Compound Events
Outcome
is the chance that an event will occur or happen--likelihood
is a specific outcome or result
are two or more events happening one after the other
is one possible result of a probability event
Probability
is the chance that an event will occur or happen--likelihood
Event
is a specific outcome or result
10 terms
Probability and Statistics
Mean
Mode
Median
Range
the average of a group of numbers
The number that occurs most often in a set of data
The middle number in a set of numbers that are listed in order
the greatest number minus the least number
Mean
the average of a group of numbers
Mode
The number that occurs most often in a set of data
Probability and Statistics
Mean
Mode
Median
Range
the average of a group of numbers
The number that occurs most often in a set of data
The middle number in a set of numbers that are listed in order
the greatest number minus the least number
Mean
the average of a group of numbers
Mode
The number that occurs most often in a set of data
48 terms
Probability / Statistics
Referring to skewness of distributions…
Skewed right plus an outlier on the ri…
Standard Deviation
IQR or Inter Quartile Range
...where the tail is.
Right
a quantity calculated to indicate the extent of deviation for…
Extending from Q1 to median to Q3.
Referring to skewness of distributions…
...where the tail is.
Skewed right plus an outlier on the ri…
Right
20 terms
Statistics and Probability
population
random sample
statistics
survey
the set that is used for sampling - where we get the informat…
there is an equal chance of each thing within the population…
a branch of mathematics dealing with the collection, analysis…
to gather information by individual samples so as to learn ab…
population
the set that is used for sampling - where we get the informat…
random sample
there is an equal chance of each thing within the population…
16 terms
Statistics and Probability
box and whisker plot
data distrubution
deviation
graph
a diagram that summarizes data using the median, the upper an…
the arrangement of values that show the spread of a data set
the average distance of each data value from the mean
a diagram representing a system of connections or interrelati…
box and whisker plot
a diagram that summarizes data using the median, the upper an…
data distrubution
the arrangement of values that show the spread of a data set
12 terms
Statistics and Probability
mean (average)
first quartile
interquartile range
mean absolute deviation
sum of numbers in a set of data divided by the number of piec…
the median of the data values less than the median of the tot…
distance between the first and third quartiles of a data set
mean (average)
sum of numbers in a set of data divided by the number of piec…
first quartile
the median of the data values less than the median of the tot…
Statistics and Probability
Mean
Median
Measures of Center
Mean absolute deviation ( MAD)
The mean (or average) of a set of data is the sum of all of t…
The median of a data set is the number that is the middle val…
Mean, median and mode are the measures of center. A single sc…
The average absolute deviation (or mean absolute deviation) o…
Mean
The mean (or average) of a set of data is the sum of all of t…
Median
The median of a data set is the number that is the middle val…
18 terms
Statistics and Probability
Box & Whisker Plot
Line Plot
Histogram
Mean (average)
a graph that shows the least and greatest values, lower (firs…
a bar graph that shows the frequency of data within equal int…
is equal to the sum of the terms in a data set divided by the…
Box & Whisker Plot
a graph that shows the least and greatest values, lower (firs…
Line Plot
13 terms
Statistics and Probability
Biased Sample
Interquartile Range (IQR)
Lower Quartile
Mean
a sample in which some members of the population have a great…
the difference between the first and third quartiles in a dat…
the median of the lower half of a set of data ordered from le…
the sum of the terms in a data set divided by the number of t…
Biased Sample
a sample in which some members of the population have a great…
Interquartile Range (IQR)
the difference between the first and third quartiles in a dat…
10 terms
Probability and Statistics
Mean
Mode
Median
Range
the average of a group of numbers
The number that occurs most often in a set of data
The middle number in a set of numbers that are listed in order
the greatest number minus the least number
Mean
the average of a group of numbers
Mode
The number that occurs most often in a set of data
19 terms
Statistics and Probability
Mean
Median
Mode
Mean is most useful when
The sum of the data divided by the number of items in the dat…
Middle number of the data ordered from least to greatest, or…
Number or numbers that occur most often.
the data has NO extreme values (outliers).
Mean
The sum of the data divided by the number of items in the dat…
Median
Middle number of the data ordered from least to greatest, or…
23 terms
Statistics and Probability
statistical question
dot plot
range
measure of variation
A question that requires collecting and analyzing data values…
Also known as a line plot. A diagram showing frequency data o…
the difference between the greatest number and the least numb…
A measure, such as the range, IQR, or MAD, that describes how…
statistical question
A question that requires collecting and analyzing data values…
dot plot
Also known as a line plot. A diagram showing frequency data o…
23 terms
Probability and Statistics
outcome
event
sample space
probability
the possible result of a situation or experiment
a single outcome or a group of outcomes
the set of all possible outcomes
the numerical value from 0 to 1 that measures the likelihood…
outcome
the possible result of a situation or experiment
event
a single outcome or a group of outcomes
37 terms
Statistics and Probability
Frequency distribution
Event
Population
Mean
Given 2, 3, 1, 2, 1, 3, 2, 3, 4, 5, 4, 2, 2, 3: 1 happens 2 t…
Rolling a die, flipping a coin, drawing a marble from a bag,…
The whole group from which a sample is taken; an entire group…
The mean is the average of the numbers: a calculated "central…
Frequency distribution
Given 2, 3, 1, 2, 1, 3, 2, 3, 4, 5, 4, 2, 2, 3: 1 happens 2 t…
Event
Rolling a die, flipping a coin, drawing a marble from a bag,…
26 terms
Probability & Statistics
Probability
Counting Principle
Tree Diagram
Measures of Central Tendency
A measure of the likelihood that an event will occur.
If one event can happen M ways and another event can happen N…
A diagram that shows all of the possible arrangements of obje…
A single number that can represent a set of numbers. The mean…
Probability
A measure of the likelihood that an event will occur.
Counting Principle
If one event can happen M ways and another event can happen N…
21 terms
Statistics Probability
Random
Probability
sample space "S"
event "X"
individual outcomes are uncertain but there is nonetheless a…
Any outcome oa a random phenomenon is the proportion of times…
random phenomenon is the set of all possible outcomes
an outcome or a set of outcomes of arandom phenonmenon. That…
Random
individual outcomes are uncertain but there is nonetheless a…
Probability
Any outcome oa a random phenomenon is the proportion of times…
38 terms
Probability/ Statistics
probability
probability experiment
outcome
sample space
the likelihood that an event will occur
an action, or trial, through which specific results (counts,…
the result of a single trail in a probability experiment
the set of all possible outcomes of a probability experiment
probability
the likelihood that an event will occur
probability experiment
an action, or trial, through which specific results (counts,…
18 terms
Probability/Statistics
Experiment
Outcomes
Event
Favorable Outcomes
An investigation or procedure that has varying results.
The possible results of an experiment.
A collection of one or more outcomes.
The outcomes of a specific event.
Experiment
An investigation or procedure that has varying results.
Outcomes
The possible results of an experiment.
57 terms
Probability and Statistics Exam
Respondents
Experimental units
Subjects/Participants
Units
individuals who answer a survey
plants, animals, or inanimate objects in an experiment
people in an experiment
A quantity or amount adopted as a standard of measure
Respondents
individuals who answer a survey
Experimental units
plants, animals, or inanimate objects in an experiment
17 terms
Probability & Statistics
Fundamental Counting Principle
Permutation (order matters)
Combination (order doesn't matter)
Probability
If an event can occur in m different ways and another event c…
Permutations of n objects, taking r at a time, is denoted nPr…
Combinations of n objects, taking r at a time, is denoted nCr…
The probability of an event, or P(e), is calculated by... P(e) =…
Fundamental Counting Principle
If an event can occur in m different ways and another event c…
Permutation (order matters)
Permutations of n objects, taking r at a time, is denoted nPr…
8 terms
Statistics & Probability
Bivariate Data
Scatter Plot
Line of Best Fit
Cluster
Data for two variables (usually two types of related data).
A graph of plotted points that show the relationship between…
A line on a graph showing the general direction that a group…
When data seems to be "gathered" around a particular line.
Bivariate Data
Data for two variables (usually two types of related data).
Scatter Plot
A graph of plotted points that show the relationship between…
61 terms
Probability and Statistics
Alpha
Alternate Hypothesis
Analysis of variance
Beta
committing a Type I error
Denoted by H(a), is the assertion that is contradictory to H(…
refers broadly to a collection of experimental situations and…
a Type II error
Alpha
committing a Type I error
Alternate Hypothesis
Denoted by H(a), is the assertion that is contradictory to H(…
18 terms
Statistics & Probability
U
O
Formula
Population
Mean
Standard deviation
Z=(x-u)... ---------... o
Surveying or study some or all of the individuals in the popu…
U
Mean
O
Standard deviation
15 terms
Probability & Statistics
outcome
sample space
event
uniform probability model
result of an experiment
the set of all of the possible outcomes of an experiment
an outcome or set of outcomes in a sample space
the probabilities for each outcome are equal
outcome
result of an experiment
sample space
the set of all of the possible outcomes of an experiment
43 terms
Probability & Statistics - Statistics
Discrete Distribution
Continuous Distribution
Discrete Notation
Continuous Notation
Describes a variable that can only take on discrete values, t…
Describes a variable that can take on any real number value o…
Discrete Distribution
Describes a variable that can only take on discrete values, t…
Continuous Distribution
Describes a variable that can take on any real number value o…
15 terms
Probability & Statistics
Probability
Outcome
Sample Space
Experimental Probability
The likelihood of something (an event) happening.
The result of one trial.
The set or list of all outcomes.
The probability that an outcome will occur determined through…
Probability
The likelihood of something (an event) happening.
Outcome
The result of one trial.
12 terms
Probability + Statistics
Probability
Experimental Probability
Event
Outcome
BLANK is the chance or likelihood that an event occurs. The p…
BLANK is based on observation. It is the actual number of occ…
BLANK is one or more outcome resulting from some experiment.…
In probability, the BLANK means the possible result. All of t…
Probability
BLANK is the chance or likelihood that an event occurs. The p…
Experimental Probability
BLANK is based on observation. It is the actual number of occ…
Statistics and Probability
Population
Sample
Statistics
Census
the entire pool from which a statistical sample is drawn
A sample is a subset of people, items, or events from a large…
the practice or science of collecting and analyzing numerical…
an official count or survey of a population, typically record…
Population
the entire pool from which a statistical sample is drawn
Sample
A sample is a subset of people, items, or events from a large…
32 terms
Statistics and Probability
Bivariate Data
Box Plot
Categorical Data
Certain Event
data in two variables, one to be graphed on the x-axis and th…
a visual graphical display to show the median, quartiles, and…
data that can be sorted in groups or categories such as hair…
event with a probability of 1 on a scale from 0 to 1
Bivariate Data
data in two variables, one to be graphed on the x-axis and th…
Box Plot
a visual graphical display to show the median, quartiles, and…
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