Question 1

Some measures of central tendency, known as _______________, are not sensitive to one or a few extremes values.

Accepted Answer

A)  Outliers 
B)  Recalcitrant measures 
C)  Central tendency 
D)  Resistant measures 
A)  Outliers 
B)  Recalcitrant measures 
C)  Central tendency 
D)  Resistant measures D

Question 2

A measure of _____________ describes the typical case in distribution.

Accepted Answer

A)  Variation 
B)  Protocol 
C)  Deviation 
D)  Central tendency 
A)  Variation 
B)  Protocol 
C)  Deviation 
D)  Central tendency D

Question 3

The _________ is the square root of the _________.

Accepted Answer

A)  Range, interquartile range 
B)  Interquartile range, range 
C)  Standard deviation, variance 
D)  Variance, standard deviation 
A)  Range, interquartile range 
B)  Interquartile range, range 
C)  Standard deviation, variance 
D)  Variance, standard deviation C

Question 4

Please explain the features of the normal distribution and include a labeled figure.

Accepted Answer

For the figure see Figure 11-4. What we

Question 5

A frequency distribution that displays a few observations on the left or low end of the scale, and most observations are in the middle or high end of the scale is called

Accepted Answer

A)  Positively skewed 
B)  Negatively skewed 
C)  Positive kurtosis 
D)  Negative kurtosis 
A)  Positively skewed 
B)  Negatively skewed 
C)  Positive kurtosis 
D)  Negative kurtosis

Question 6

A _______ displays all of the observed values in a batch of numbers as dots along a horizontal or vertical line that represents the variable.

Accepted Answer

A)  Bar chart 
B)  Histogram 
C)  Dot chart 
D)  Box plot 
A)  Bar chart 
B)  Histogram 
C)  Dot chart 
D)  Box plot

Question 7

A __________ is a type of bar graph in which the height and area of the bars are proportional to the frequencies in each category of a nominal variable or in intervals of a continuous variable.

Accepted Answer

The answer of A __________ is a type of bar...

Question 8

Please identify and define three measures of central tendency. Use an example for why you might want to calculate all three measures.

Accepted Answer

The mean is the average value in a batch

Question 9

If there is no variability (all the scores of the variable have the same value), measures of dispersion will equal

Accepted Answer

A)  0 
B)  1 
C)  -1 
D)  Cannot be calculated 
A)  0 
B)  1 
C)  -1 
D)  Cannot be calculated

Question 10

The ____________ is the category with the greatest frequency of observations.

Accepted Answer

A)  Median 
B)  Mode 
C)  Mean 
D)  Weighted mean 
A)  Median 
B)  Mode 
C)  Mean 
D)  Weighted mean

Question 11

Why is the mean vulnerable to outliers while the median and mode are not?

Accepted Answer

The mean is calculated by summing all va

Question 12

All of the following statements are true of measures of dispersion, except

Accepted Answer

A)  If there is no variability, the measure will equal 0 
B)  If there is variability, the measure will be greater than 1 
C)  The measure will always be a positive number 
D)  The greater the variability in the data, the larger the numerical value of the measure 
A)  If there is no variability, the measure will equal 0 
B)  If there is variability, the measure will be greater than 1 
C)  The measure will always be a positive number 
D)  The greater the variability in the data, the larger the numerical value of the measure

Question 13

The __________ is a value that divides a distribution in half.

Accepted Answer

A)  Median 
B)  Mode 
C)  Mean 
D)  Weighted mean 
A)  Median 
B)  Mode 
C)  Mean 
D)  Weighted mean

Question 14

A good reason to use the trimmed mean instead of the mean is to correct for

Accepted Answer

A)  Outliers 
B)  Variation 
C)  Discrepancies 
D)  Bias 
A)  Outliers 
B)  Variation 
C)  Discrepancies 
D)  Bias

Question 15

What is the sum of the deviations from the mean? How do you know your answer will always be correct regardless of the data used?

Accepted Answer

The sum of the deviations from the mean

Question 16

A ____________ statistic is a number that, because of its definition and formula, describes certain characteristics or properties of a batch of numbers.

Accepted Answer

A)  Relative 
B)  Cumulative 
C)  Descriptive 
D)  Proportional 
A)  Relative 
B)  Cumulative 
C)  Descriptive 
D)  Proportional

Question 17

One can calculate the range by subtracting the ___________ from the ____________.

Accepted Answer

A)  Minimum, maximum 
B)  Maximum, minimum 
C)  Median, mean 
D)  Mean, median 
A)  Minimum, maximum 
B)  Maximum, minimum 
C)  Median, mean 
D)  Mean, median

Question 18

By transforming the raw frequency into a proportion or percentage we get a __________ frequency.

Accepted Answer

A)  Cumulative 
B)  Relative 
C)  Proportional 
D)  Distributive 
A)  Cumulative 
B)  Relative 
C)  Proportional 
D)  Distributive

Question 19

How do measures of central tendency and variation complement each other when describing data?

Accepted Answer

The two types of measures work together

Question 20

The ___________ is the average or mean of squared deviations, or the average of all the squared differences between each score and the mean.

Accepted Answer

The answer of The ___________ is the average or mean...

Some measures of central tendency, known as _______________, are not sensitive to one or a few extremes values.

A measure of _____________ describes the typical case in distribution.

The _ is the square root of the _.

Please explain the features of the normal distribution and include a labeled figure.

A frequency distribution that displays a few observations on the left or low end of the scale, and most observations are in the middle or high end of the scale is called

A _______ displays all of the observed values in a batch of numbers as dots along a horizontal or vertical line that represents the variable.

A __________ is a type of bar graph in which the height and area of the bars are proportional to the frequencies in each category of a nominal variable or in intervals of a continuous variable.

Please identify and define three measures of central tendency. Use an example for why you might want to calculate all three measures.

If there is no variability (all the scores of the variable have the same value), measures of dispersion will equal

The ____________ is the category with the greatest frequency of observations.

Why is the mean vulnerable to outliers while the median and mode are not?

All of the following statements are true of measures of dispersion, except

The __________ is a value that divides a distribution in half.

A good reason to use the trimmed mean instead of the mean is to correct for

What is the sum of the deviations from the mean? How do you know your answer will always be correct regardless of the data used?

A ____________ statistic is a number that, because of its definition and formula, describes certain characteristics or properties of a batch of numbers.

One can calculate the range by subtracting the _ from the __.

By transforming the raw frequency into a proportion or percentage we get a __________ frequency.

How do measures of central tendency and variation complement each other when describing data?

The ___________ is the average or mean of squared deviations, or the average of all the squared differences between each score and the mean.

The Empirical Approach to Political Science

Beginning the Research Process: Identifying a Research Topic, Developing Research Questions, and Reviewing the Literature

The Building Blocks of Social Scientific Research: Hypotheses, Concepts, and Variables

The Building Blocks of Social Scientific Research: Measurement

Research Design: Making Causal Inferences

Sampling

Making Empirical Observations: Firsthand Observation

Document Analysis: Using the Written Record

Survey Research and Interviewing

Statistical Inference

Investigating Relationships Between Two Variables

Multivariate Analysis

Filters

Exam 11: Making Sense of Data: First Steps

Some measures of central tendency, known as _______________, are not sensitive to one or a few extremes values.

A measure of _____________ describes the typical case in distribution.

The _________ is the square root of the _________.

Please explain the features of the normal distribution and include a labeled figure.

A frequency distribution that displays a few observations on the left or low end of the scale, and most observations are in the middle or high end of the scale is called

A _______ displays all of the observed values in a batch of numbers as dots along a horizontal or vertical line that represents the variable.

A __________ is a type of bar graph in which the height and area of the bars are proportional to the frequencies in each category of a nominal variable or in intervals of a continuous variable.

Please identify and define three measures of central tendency. Use an example for why you might want to calculate all three measures.

If there is no variability (all the scores of the variable have the same value), measures of dispersion will equal

The ____________ is the category with the greatest frequency of observations.

Why is the mean vulnerable to outliers while the median and mode are not?

All of the following statements are true of measures of dispersion, except

The __________ is a value that divides a distribution in half.

A good reason to use the trimmed mean instead of the mean is to correct for

What is the sum of the deviations from the mean? How do you know your answer will always be correct regardless of the data used?

A ____________ statistic is a number that, because of its definition and formula, describes certain characteristics or properties of a batch of numbers.

One can calculate the range by subtracting the ___________ from the ____________.

By transforming the raw frequency into a proportion or percentage we get a __________ frequency.

How do measures of central tendency and variation complement each other when describing data?

The ___________ is the average or mean of squared deviations, or the average of all the squared differences between each score and the mean.

The Empirical Approach to Political Science

Beginning the Research Process: Identifying a Research Topic, Developing Research Questions, and Reviewing the Literature

The Building Blocks of Social Scientific Research: Hypotheses, Concepts, and Variables

The Building Blocks of Social Scientific Research: Measurement

Research Design: Making Causal Inferences

Sampling

Making Empirical Observations: Firsthand Observation

Document Analysis: Using the Written Record

Survey Research and Interviewing

Statistical Inference

Investigating Relationships Between Two Variables

Multivariate Analysis

Filters

The _ is the square root of the _.

One can calculate the range by subtracting the _ from the __.