Question 1

Make a boxplot for the following data set.
24, 15, 34, 92, 68, 34, 78, 45, 53, 67, 83, 46

Accepted Answer

(15, 34, 4

Question 2

What is the median of the following data set?
8, 11, 15, 16, 20

Accepted Answer

A)  14 
B)  15 
C)  16 
D)  18 
A)  14 
B)  15 
C)  16 
D)  18

Question 3

The number of police officers in selected city districts is listed below. Find the mode.
24, 26, 24, 30, 23, 28, 19, 31, 24, 26, 19

Accepted Answer

A)  23 
B)  24 
C)  26 
D)  28 
A)  23 
B)  24 
C)  26 
D)  28

Question 4

The median can be a more appropriate measure of central tendency if the distribution of the data is extremely skewed.

Accepted Answer

A) True 
 B)False

Question 5

If a set of data has 81 values with a variance of 26.0, then the standard deviation is _________.

Accepted Answer

A)  2.9 
B)  0.6 
C)  0.3 
D)  5.1 
A)  2.9 
B)  0.6 
C)  0.3 
D)  5.1

Question 6

Given that the mean of a set of data is 25 and the standard deviation is 3, what is the coefficient of variation?

Accepted Answer

A)  0.12 
B)  12% 
C)  8.33 
D)  833% 
A)  0.12 
B)  12% 
C)  8.33 
D)  833%

Question 7

Which of the following is the properly rounded mean for the given data?
7, 8, 13, 9, 10, 11

Accepted Answer

A)  10 
B)  9.7 
C)  9.67 
D)  9 
A)  10 
B)  9.7 
C)  9.67 
D)  9

Question 8

The _______________and ______________ are two measures of variation used to describe the spread of the data in a data set.

Accepted Answer

Choose two of the fo

Question 9

The average weekly earnings in dollars for various industries are listed below. Find the percentile rank of 604.
701, 604, 538, 625, 574, 659, 735, 513, 789, 847

Accepted Answer

A)  25th 
B)  45th 
C)  40th 
D)  35th 
A)  25th 
B)  45th 
C)  40th 
D)  35th

Question 10

Check the following data set for outliers.
43, 52, 54, 54, 56, 57, 59, 61

Accepted Answer

The answer of Check the following data set for outliers.
43,...

Question 11

Find the weighted mean for a particular student's scores on three exams if the first one was worth 75 points and the student received a score of 70%, the second was worth 50 points and the student received a score of 80%, and the third was worth 30 points and the student received a score of 95%?

Accepted Answer

The answer of Find the weighted mean for a particular...

Question 12

Given the following data set, find the approximate value that corresponds to the 75th percentile.
10, 44, 15, 23, 14, 18, 72, 56

Accepted Answer

The answer of Given the following data set, find the...

Question 13

The range of a data set is the difference between the highest value and the lowest value.

Accepted Answer

A) True 
 B)False

Question 14

______________ divide a distribution into four groups, and __________divide a distribution into ten groups.

Accepted Answer

The answer of ______________ divide a distribution into four groups,...

Question 15

_______________ identifies a minimum percentage of the data points that fall within a certain distance of the mean, and it applies to any distribution regardless of its shape.

Accepted Answer

The answer of _______________ identifies a minimum percentage of the...

Question 16

Which plot below has a five-number summary of 5, 7, 8, 12, 13 and an interquartile range of 5?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 17

Find the mean of the following set of values.
4, 11, 9, 7, 9

Accepted Answer

The answer of Find the mean of the following set...

Question 18

The size of the box in a boxplot shows the ____________________ of the data set.

Accepted Answer

A)  difference between the mean and the median 
B)  variance 
C)  skewness 
D)  interquartile range 
A)  difference between the mean and the median 
B)  variance 
C)  skewness 
D)  interquartile range

Question 19

In a unimodal, symmetrical distribution as shown in the figure below,

Accepted Answer

A)  the mean is the same as the median, but the mode can be different. 
B)  the mean, the median, and the mode are the same. 
C)  the median and the mode are the same, but the mean can be different. 
D)  the mean, the median, and the mode are different. 
A)  the mean is the same as the median, but the mode can be different. 
B)  the mean, the median, and the mode are the same. 
C)  the median and the mode are the same, but the mean can be different. 
D)  the mean, the median, and the mode are different.

Question 20

A characteristic or measure obtained by using all the data values for a specific population is called a ___________.

Accepted Answer

A)  variable 
B)  mode 
C)  statistic 
D)  parameter 
A)  variable 
B)  mode 
C)  statistic 
D)  parameter

Make a boxplot for the following data set. 24, 15, 34, 92, 68, 34, 78, 45, 53, 67, 83, 46

What is the median of the following data set? 8, 11, 15, 16, 20

The number of police officers in selected city districts is listed below. Find the mode. 24, 26, 24, 30, 23, 28, 19, 31, 24, 26, 19

The median can be a more appropriate measure of central tendency if the distribution of the data is extremely skewed.

If a set of data has 81 values with a variance of 26.0, then the standard deviation is _________.

Given that the mean of a set of data is 25 and the standard deviation is 3, what is the coefficient of variation?

Which of the following is the properly rounded mean for the given data? 7, 8, 13, 9, 10, 11

The _and are two measures of variation used to describe the spread of the data in a data set.

The average weekly earnings in dollars for various industries are listed below. Find the percentile rank of 604. 701, 604, 538, 625, 574, 659, 735, 513, 789, 847

Check the following data set for outliers. 43, 52, 54, 54, 56, 57, 59, 61

Find the weighted mean for a particular student's scores on three exams if the first one was worth 75 points and the student received a score of 70%, the second was worth 50 points and the student received a score of 80%, and the third was worth 30 points and the student received a score of 95%?

Given the following data set, find the approximate value that corresponds to the 75th percentile. 10, 44, 15, 23, 14, 18, 72, 56

The range of a data set is the difference between the highest value and the lowest value.

____ divide a distribution into four groups, and divide a distribution into ten groups.

_______________ identifies a minimum percentage of the data points that fall within a certain distance of the mean, and it applies to any distribution regardless of its shape.

Which plot below has a five-number summary of 5, 7, 8, 12, 13 and an interquartile range of 5?

Find the mean of the following set of values. 4, 11, 9, 7, 9

The size of the box in a boxplot shows the ____________________ of the data set.

In a unimodal, symmetrical distribution as shown in the figure below,

A characteristic or measure obtained by using all the data values for a specific population is called a ___________.

The Nature of Probability and Statistics

Frequency Distributions and Graphs

Probability and Counting Rules

Discrete Probability Distributions

The Normal Distribution

Confidence Intervals and Sample Size

Hypothesis Testing

Testing the Difference Between Two Means, Two Variances, and Two Proportions

Correlation and Regression

Other Chi-Square Tests

Analysis of Variance

Nonparametric Statistics

Sampling and Simulation

Filters

Exam 3: Data Description

Make a boxplot for the following data set. 24, 15, 34, 92, 68, 34, 78, 45, 53, 67, 83, 46

What is the median of the following data set? 8, 11, 15, 16, 20

The number of police officers in selected city districts is listed below. Find the mode. 24, 26, 24, 30, 23, 28, 19, 31, 24, 26, 19

The median can be a more appropriate measure of central tendency if the distribution of the data is extremely skewed.

If a set of data has 81 values with a variance of 26.0, then the standard deviation is _________.

Given that the mean of a set of data is 25 and the standard deviation is 3, what is the coefficient of variation?

Which of the following is the properly rounded mean for the given data? 7, 8, 13, 9, 10, 11

The _______________and ______________ are two measures of variation used to describe the spread of the data in a data set.

The average weekly earnings in dollars for various industries are listed below. Find the percentile rank of 604. 701, 604, 538, 625, 574, 659, 735, 513, 789, 847

Check the following data set for outliers. 43, 52, 54, 54, 56, 57, 59, 61

Find the weighted mean for a particular student's scores on three exams if the first one was worth 75 points and the student received a score of 70%, the second was worth 50 points and the student received a score of 80%, and the third was worth 30 points and the student received a score of 95%?

Given the following data set, find the approximate value that corresponds to the 75th percentile. 10, 44, 15, 23, 14, 18, 72, 56

The range of a data set is the difference between the highest value and the lowest value.

______________ divide a distribution into four groups, and __________divide a distribution into ten groups.

_______________ identifies a minimum percentage of the data points that fall within a certain distance of the mean, and it applies to any distribution regardless of its shape.

Which plot below has a five-number summary of 5, 7, 8, 12, 13 and an interquartile range of 5?

Find the mean of the following set of values. 4, 11, 9, 7, 9

The size of the box in a boxplot shows the ____________________ of the data set.

In a unimodal, symmetrical distribution as shown in the figure below,

A characteristic or measure obtained by using all the data values for a specific population is called a ___________.

The Nature of Probability and Statistics

Frequency Distributions and Graphs

Probability and Counting Rules

Discrete Probability Distributions

The Normal Distribution

Confidence Intervals and Sample Size

Hypothesis Testing

Testing the Difference Between Two Means, Two Variances, and Two Proportions

Correlation and Regression

Other Chi-Square Tests

Analysis of Variance

Nonparametric Statistics

Sampling and Simulation

Filters

The _and are two measures of variation used to describe the spread of the data in a data set.

____ divide a distribution into four groups, and divide a distribution into ten groups.