left skewed (skewed negative)B. symmetricC. right skewed (skewed positive)

Answer Key: AQuestion 10 of 200.0/ 1.0 PointsWhich of the following statements is true for the following data values: 7, 5, 6, 4, 7, 8, and 12?A. The mean, median and mode are all equal B. Only the median and mode are equal C. Only the mean and mode are equal D. Only the mean and median are equal Answer Key: AQuestion 11 of 201.0/ 1.0 PointsThe following data are the distances between 20 retail stores and a large distribution center. The distances are in miles. Which of the following is the mode?See Attached Excel for Data.distance miles data.xlsx8 KB

A. 96 B. 86C. 84D. 34.5E. 89Answer Key: AFeedback: The mode is the value that appears the most, which is 96.Part 5 of 8 - Measures of the Location of Data Knowledge Check Homework Practice3.0/ 3.0 PointsQuestion 12 of 201.0/ 1.0 PointsThe difference between the first and third quartile is called the

A. mid range B. interquartile range C. interdependent range D. unimodal range Answer Key: BFeedback: IQR is the InterQuartile RangeQuestion 13 of 201.0/ 1.0 Pointscholesterol data.xlsx8 KBCholesterol levels were collected from patients two days after they had a heart attack (Ryan, Joiner & Ryan, Jr , 1985). Use Excel to find the 38th percentile. Round to two decimal places.See Attached Excel for Data.Retrieved from . Fill in each of the values below:38th percentile 237.56

Answer Key: 237.56Feedback: Use Excel Functions=PERCENTILE.INC( ,.38)Question 14 of 201.0/ 1.0 PointsA sample of 8 cats found the following weights in kg. Use Excel to find the weight for the 75th percentile.See Attached Excel for Data.Hint: Use =PERCENTILE.INC function in Excel or use textbook formula (n+1)p/100cat weight data.xlsx8 KBA. 3.65 kgB. 3.7 kgC. 3.6875 kg

D. 3.85 kgAnswer Key: DFeedback: use =PERCENTILE.INC( , .75) in Excel.Part 6 of 8 - Ogives, Pareto and Pie Chart Knowledge Check Homework2.0/ 2.0 PointsQuestion 15 of 201.0/ 1.0 PointsThe following data represents the percent change in tuition levels at public, four-year colleges (inflation adjusted) from 2008 to 2013 (Weissmann, 2013). Below is the frequency distribution and ogive.

Class LimitsCumulative Frequency2.2 – 11.7611.8 – 21.326

21.4 – 30.93731.0 – 40.54140.6 – 50.14350.2 – 59.74559.8 – 69.34869.4 – 78.950Based on the information, how many colleges had a percent change in tuition below 50.2%?A. 37B. 45

C. 43D. 80Answer Key: CFeedback: The Class Limit of 40.6 - 50.1 has a cumulative frequency value of 43. The next class limit starts at 50.2.Question 16 of 201.0/ 1.0 PointsThe following graph represents a random sample of car models driven by college students. Whatpercent of college students drove a Nissan?

A. 24%B. 40%C. 10%

D. 12%E. 20% Answer Key: EPart 7 of 8 - Scatter Plots Knowledge Check Homework2.0/ 2.0 PointsQuestion 17 of 201.0/ 1.0 PointsWhat kind of relationship between x and y is demonstrated by the scatter plot below?