Exam 3: Descriptive Statistics II: Additional Descriptive Measures and Data Displays
Exam 1: An Introduction to Statistics44 Questions
Exam 2: Descriptive Statistics I: Elementary Data Presentation and Description147 Questions
Exam 3: Descriptive Statistics II: Additional Descriptive Measures and Data Displays128 Questions
Exam 4: Probability147 Questions
Exam 5: Discrete Probability Distributions144 Questions
Exam 6: Continuous Probability Distributions141 Questions
Exam 7: Statistical Inference: Estimating a Population Mean134 Questions
Exam 8: Interval Estimates for Proportions, Mean Differences and Proportion Differences19 Questions
Exam 9: Statistical Hypothesis Testing: Hypothesis Tests for a Population Mean62 Questions
Exam 10: Hypothesis Tests for Proportions, Mean Differences and Proportion Differences39 Questions
Exam 11: Basic Regression Analysis111 Questions
Exam 12: Multiple Regression53 Questions
Exam 13: F Tests and Analysis of Variance95 Questions
Exam 14: Experimental Designonline Only64 Questions
Exam 16: Chi-Square Tests145 Questions
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Below is a list of the total attendance at the Portland Oaks 25 home basketball games this season.Determine the median value. 194, 198, 223, 211, 230, 221, 190, 185, 234, 210, 189, 193, 198,
178, 209, 231, 186, 203, 182, 193, 201, 242, 216, 177, 204
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(Multiple Choice)
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Correct Answer:
B
In a recent survey, 18 college freshmen were asked how many text messages they had send or received on the day of the survey.Results are shown below.Determine the 40th percentile value. 45, 256, 23, 110, 168, 122, 135, 56, 18, 0, 44, 68, 120, 115, 456, 256, 174, 88
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(Multiple Choice)
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Correct Answer:
C
The table below shows % growth in sales for five of Indiana's largest companies, along with the size of each company's capital investment (in $1000s).Compute the (population) correlation coefficient for the two sets of values. 

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(Multiple Choice)
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C
The table below shows % growth in sales for five of Indiana's largest companies, along with the size of each company's capital investment (in $1000s) for the year.Compute the (population) covariance for the two sets of values. 

(Multiple Choice)
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The data below shows closing share prices for today's most actively traded stocks on the NYSE.Determine the interquartile range for the data. 22.1, 23.5, 26.8, 15.5, 13.6, 28.9, 14.5, 36.0, 27.8,
25)2, 35.7, 62.5, 16.2, 35.5, 28.2, 15.6, 32.7, 12.7
(Multiple Choice)
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The correlation of two variables, x and y, is -0.95.This means that:
(Multiple Choice)
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The width of the box in a box-and-whisker plot is the interquartile range (IQR).
(True/False)
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The table below shows the number of customer complaints received by the customer service hotline at Kendall Products during the past 6 days.
_____% of the values in this data set actually fall within plus or minus four standard deviations of the mean.

(Multiple Choice)
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Unit sales (in 1000s of units) for Kingston Products and Mile 10 Inc.are shown for the last four years.Compute the (population) covariance for the two sets of data. 

(Multiple Choice)
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The table below shows the number of customer complaints received by the customer service hotline at Kendall Products during the past 6 days.
_____% of the values in this data set actually fall within plus or minus two standard deviations of the mean.

(Multiple Choice)
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Below is the depth, in meters, for wells recently sunk by Lewiston Oil in western Oklahoma: 84, 81, 95, 146, 161, 158
List the five values that would be necessary if you were to construct a box-and-whisker plot for the data.
(Multiple Choice)
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Area car sales and home sales are listed for four sample months.Compute the correlation coefficient.Remember to treat the data as a sample. 

(Multiple Choice)
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Below is a list of the total attendance at the Portland Oaks 25 home basketball games this season.Determine the 35th percentile value. 194, 198, 223, 211, 230, 221, 190, 185, 234, 210, 189, 193, 198,
178, 209, 231, 186, 203, 182, 193, 201, 242, 216, 177, 204
(Multiple Choice)
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In its report, the Human Resources Department at Hinkle Transport summarized the sick day taken by the company's 125 employees during the past year.125 of the people in the survey responded "Yes." The summary is provided in the table below.
If you were to draw an appropriate box-and-whisker plot, which one of the following statements regarding that plot would be accurate?

(Multiple Choice)
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The heights in inches of the 14 players listed on the Chicago Bulls roster for the 2013-14 season are shown below (NBA.com).Find the interquartile range. 81, 79, 77, 81, 81, 81, 76, 82, 82, 82, 83, 75, 79, 74.
(Multiple Choice)
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A coffee shop finds that the correlation between daily high temperature and daily sales is -0.74.The interpretation of this value is as follows:
(Multiple Choice)
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Draw a box-and-whisker plot using the following 5-number summary: Min: 66 Q1: 68 Median: 73 Q3: 78 Max: 80
Which one of the following describes the proper diagram here?
(Multiple Choice)
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Below is a list of your 9-hole golf scores for 9 of your most recent golf outings: 70, 47, 53, 54, 41, 71, 78, 103, 100
List the five values that would be necessary if you were to construct a box-and-whisker plot for the golf score data.
(Multiple Choice)
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The table below shows the advertising expenditures in $millions for the nine largest tech companies during the past year.Determine the 75th percentile or third quartile value here. 

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Which of the following best describes a stem-and-leaf diagram?
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