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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A graphical device for depicting qualitative data that have been summarized in a frequency distribution or a relative frequency distribution is a(n):
(Multiple Choice)
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Which of the following best describes the correlation coefficient?
(Multiple Choice)
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Positive values of the covariance indicate a positive relation between the x and the y variables.
(True/False)
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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 value of Q3. 81, 79, 77, 81, 81, 81, 76, 82, 82, 82, 83, 75, 79, 74.
(Multiple Choice)
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The table below shows the number of qualified job applications received by Mt.Tabor Industries after advertising a job opening on Jobs.com.Identify any outliers in the data set by using the "3 standard deviations" approach. 

(Multiple Choice)
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Profits (in $millions) for Caldwell-Hewitt's US Division and European Division over the past four years are shown below.Compute the (population) correlation coefficient. 

(Multiple Choice)
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Below is a list of file sizes (in gigabytes) for 15 data files that Ron DiGregorio created for his updated customer records.Determine the value of Q2. 

(Multiple Choice)
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The table below shows test scores for 11 students in Accounting 512.Identify the 2nd quartile value. 

(Multiple Choice)
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Player payrolls for the top 20 teams in professional baseball are shown in the table below.Identify the 3rd quartile value. 

(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 25th percentile or first quartile value here. 

(Multiple Choice)
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The __________ is a standardized measure and can take on values from -1 to +1.
(Multiple Choice)
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Sales of the hybrid Toyota Prius grew from 5,562 in the year 2000 to 140,928 in the year 2010.Use the geometric mean to compute the average annual growth rate of Toyota Prius sales.
(Multiple Choice)
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The number of base hits for the top 26 rookies in the American League last season are given below.Determine the interquartile range for the data. 124, 141, 132, 111, 115, 135, 152, 121, 132, 125, 119, 123, 98,
140, 127, 132, 108, 122, 135, 141, 120, 118, 163, 121,138, 122
(Multiple Choice)
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The table shows life expectancy in years of the G8 countries (Datablog, Guardian.co.uk, July 8 2009).According to the "1.5 x interquartile range" approach to identifying outliers, determine the outlier(s), if any, here. 

(Multiple Choice)
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The table below shows test scores for 11 students in Accounting 512.Identify the 1st quartile value. 

(Multiple Choice)
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As measured by the coefficient of variation, which data set shows the greater degree of variation? 

(Multiple Choice)
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The table below shows test scores for 11 students in Accounting 512.Identify the interquartile range (IR). 

(Multiple Choice)
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In computing the pth percentile, if the index i is NOT an integer the pth percentile is the:
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