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

Answer Key: A

Question 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?

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Question 11 of 201.0/ 1.0 PointsThe following data are the distances between 20 retail stores and a large distribution center. Thedistances are in miles. Which of the following is the mode?

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A. 96B.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 HomeworkPractice3.0/ 3.0 PointsQuestion 12 of 201.0/ 1.0 PointsThe difference between the first and third quartile is called the

A. mid rangeB. interquartile rangeC. interdependent rangeD. unimodal rangeAnswer Key: B

Feedback: 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 fromFill in each of the values below:38th percentile 237.56.

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Feedback: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 75thpercentile.See Attached Excel for Data.Hint: Use =PERCENTILE.INC function in Excel or use textbook formula (n+1)p/100cat weight data.xlsx8 KB

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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 distributionand ogive.

ClassLimitsCumulative 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%?

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C.43D.80Answer Key: CFeedback: The Class Limit of 40.6 - 50.1 has a cumulative frequency value of 43. The nextclass 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?

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Term

Summer

Professor

MelissaScranton

Tags

Scatter plot, Straight six engine