#### Study sets matching "stats chapter 3 elementary"

#### Study sets matching "stats chapter 3 elementary"

bimodal

boxplot

Chebyshev's Theorem

co-efficient of variation

a data set with 2 modes

a graph used to represent a data set when the data set contain…

theorem stating that the proportion of values from a data set…

standard deviation divided by the mean with the result express…

bimodal

a data set with 2 modes

boxplot

a graph used to represent a data set when the data set contain…

Measure of Center

Arithmetic Mean (Mean)

Median

Mode

The value at the center or middle of a data set

The measure of center obtained by adding the values and dividi…

The middle value when the original data values are arranged in…

The value that occurs with the greatest frequency

Measure of Center

The value at the center or middle of a data set

Arithmetic Mean (Mean)

The measure of center obtained by adding the values and dividi…

average

measures of central tendency

statistic

parameter

the center of the distribution or the most typical case

measures of average; mean, median, mode, midrange

a characteristic or measure obtained by using data values from…

a characteristic or measure obtained by using all the data val…

average

the center of the distribution or the most typical case

measures of central tendency

measures of average; mean, median, mode, midrange

Measure of center

What are four different ways to calcula…

Mean

Resistant measure of center

a value at the center or middle of a data set

Mean... Median... Mode ... Midrange

(average) the mean of a set of data is the measure of center f…

can resist substantial changes caused by extreme values. ... mean…

Measure of center

a value at the center or middle of a data set

What are four different ways to calcula…

Mean... Median... Mode ... Midrange

Mean

Median

Mode

Midrange

The average

The middle number, or the average of the middle two numbers wh…

The value that occurs the most (has the highest frequency). I…

The average of the highest and lowest data value.

Mean

The average

Median

The middle number, or the average of the middle two numbers wh…

Arithmetic Mean

Population Arithmetic Mean

Sample Arithmetic Mean

Median

Computed by adding all the values of the variable in the data…

Computed using all the individuals in a population. The popula…

Computed using sample data. The sample mean is a statistic.…

The value that lies in the middle of the data when arranged in…

Arithmetic Mean

Computed by adding all the values of the variable in the data…

Population Arithmetic Mean

Computed using all the individuals in a population. The popula…

Bi variate Data

Correlation

Input Variable

Least Squares Criterion

The values of two different variables that are obtained from t…

As the input variable increases there is a definite shift in t…

The independent variable

Says that we find constants such that the sums of the least sq…

Bi variate Data

The values of two different variables that are obtained from t…

Correlation

As the input variable increases there is a definite shift in t…

measures of average

measures of variation

measures of variation:

measures of position

mean, median, mode and mdirange

measures that determine the spread of the data values

range, variance, standard deviation.

percentiles, deciles and quartiles

measures of average

mean, median, mode and mdirange

measures of variation

measures that determine the spread of the data values

Dispersion

Range, R

Deviation about the mean

Population Standard Deviation

The degree to which the data are spread out.

The range, R, of a variable is the difference between the larg…

Standard deviation is based on this. For a population, the dev…

The square root of the sum of squared deviations about the pop…

Dispersion

The degree to which the data are spread out.

Range, R

The range, R, of a variable is the difference between the larg…

bimodal

boxplot

Chebyshev's Theorem

co-efficient of variation

a data set with 2 modes

a graph used to represent a data set when the data set contain…

theorem stating that the proportion of values from a data set…

standard deviation divided by the mean with the result express…

bimodal

a data set with 2 modes

boxplot

a graph used to represent a data set when the data set contain…

Measure of center

What are four different ways to calcula…

Mean

Resistant measure of center

a value at the center or middle of a data set

Mean... Median... Mode ... Midrange

(average) the mean of a set of data is the measure of center f…

can resist substantial changes caused by extreme values. ... mean…

Measure of center

a value at the center or middle of a data set

What are four different ways to calcula…

Mean... Median... Mode ... Midrange

Measure of center

What are four different ways to calcula…

Mean

Resistant measure of center

a value at the center or middle of a data set

Mean... Median... Mode ... Midrange

(average) the mean of a set of data is the measure of center f…

can resist substantial changes caused by extreme values. ... mean…

Measure of center

a value at the center or middle of a data set

What are four different ways to calcula…

Mean... Median... Mode ... Midrange

measure of center

Mean

sample size

Median

a value at the center or middle of a data set

- generally the most important of all numerical measurements... u…

number of data values

- is a resistant measure of center... - is the measure of center…

measure of center

a value at the center or middle of a data set

Mean

- generally the most important of all numerical measurements... u…

Bar Charts

Pictograms

Pie charts

Dot Diagram

use either vertical or horizontal solid rectangles to represen…

a presentation that utilizes little pictures to represent freq…

a presentation that resembles a pie. They are often used to pr…

a method of listing in which we simply indicate by means of do…

Bar Charts

use either vertical or horizontal solid rectangles to represen…

Pictograms

a presentation that utilizes little pictures to represent freq…

measure of center

mean

median

mode

a value at the center of a data set

the measure of center found by adding the data values and divi…

the measure of center that is the middle value when the origin…

the value that occurs with the greatest frequency in a data se…

measure of center

a value at the center of a data set

mean

the measure of center found by adding the data values and divi…

Z-score

Quartiles

Percentile

Quartiles

Represents the number of standard deviations an observation is…

The most common percentiles are quartiles. Quartiles divide da…

a set of data is a value such that k percent of the observatio…

The kth percentile of a set of data is a value such that k per…

Z-score

Represents the number of standard deviations an observation is…

Quartiles

The most common percentiles are quartiles. Quartiles divide da…

Find the median for the following data.…

What is the median of the following num…

What is the term for a characteristic o…

What is the midrange of the following n…

5

-3

parameter

13

Find the median for the following data.…

5

What is the median of the following num…

-3

central tendency

mode

bi-modal distribution

unimodal

a value generally located toward the middle or center of a dis…

the most frequent, typical, or common value

frequency distribution containing 2 or more modes

distribution containing a single mode

central tendency

a value generally located toward the middle or center of a dis…

mode

the most frequent, typical, or common value

Degree of Freedom

What percentage is 1 standard deviation…

What percentage is 2 standard deviation…

What percentage is 3 standard deviation…

sample size - 1 or n - 1

68%

95%

99.7%

Degree of Freedom

sample size - 1 or n - 1

What percentage is 1 standard deviation…

68%

continuous variables

data

data set

data value or datum

variables that can assume an infinite number of values between…

the values (measurements or observations) that variables can a…

a collection of data values

a value in the data set

continuous variables

variables that can assume an infinite number of values between…

data

the values (measurements or observations) that variables can a…

Sample Space

P(E)= Probability of an Event

Rounding Rule for Probability

Rule for Complementary Events

The set of all possible outcomes of a probability experiment.

n(E)/n(s) = Number of outcomes divided by total in the sample…

Four decimal places

1 - P(E)

Sample Space

The set of all possible outcomes of a probability experiment.

P(E)= Probability of an Event

n(E)/n(s) = Number of outcomes divided by total in the sample…

Frequency Distribution

Lower Class Limit

Upper Class Limit

Class Width

Table that shows classes or intervals of data entries with a c…

Least number that can belong to a class

Greatest number that can belong to a class

Distance between lower and upper limits of a consecutive class…

Frequency Distribution

Table that shows classes or intervals of data entries with a c…

Lower Class Limit

Least number that can belong to a class

MEASURE OF CENTER

MEAN (arithmetic mean)

DESCRIPTIVE STATISTICS

NOTATION

value at center or middle of a DATA set

measure of center found by... adding DATA values ... dividing the to…

summarize or describe characteristics of DATA

symbols used for equations

MEASURE OF CENTER

value at center or middle of a DATA set

MEAN (arithmetic mean)

measure of center found by... adding DATA values ... dividing the to…

cluster sample

confounding variable

continuous variables

control group

subjects are selected by using an intact group that is represe…

a variable that influences the dependent or outcome variable b…

variables that can assume an infinite number of values between…

the group that does not receive special instructions or does r…

cluster sample

subjects are selected by using an intact group that is represe…

confounding variable

a variable that influences the dependent or outcome variable b…