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1/19/2020APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes1/141.0/ 1.0 Points1.0/ 1.0 PointsWeek 2 Knowledge Check Homework Practice QuestionsReturn to Assessment ListPart 1 of 8 - Measures of the Spread of Data Knowledge Check Homework3.0/ 3.0 PointsQuestion 1 of 20Cholesterol levels were collected from patients two days after they had a heart attack (Ryan, Joiner & Ryan, Jr, 1985).Find the standard deviation.See Attached Excel for Data.cholesterol data.xlsx8 KBA. 45.76B. 47.71C. 2195D. 46.85E. 9.02F. 2276.29Answer Key: BFeedback: use =STDEV.S function in Excel.Question 2 of 20movie data.xlsx9 KBTwenty-five randomly selected students were asked the number of movies they watched the previous week. The results areas follows:See Attached Excel for Data.Find the sample mean.Round to two decimal places.1.48MATH302 B006 Win 20Tests & QuizzesTests & Quizzes
1/19/2020APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes2/141.0/ 1.0 Points1.0/ 1.0 PointsAnswer Key: 1.48Feedback: use =AVERAGE function in Excel.Question 3 of 20FTES data.xlsx8 KBThe population FTES for 2005–2006 through 2010–2011 was given in an updated report. The data are reported here.See Attached Excel for Data.Standard Deviation: 167 Calculate the standard deviation. Round to one decimal place.Answer Key: 167.0| 167Feedback: use =STDEV.S function in Excel.Part 2 of 8 - Box Plot Knowledge Check Homework Practice2.0/ 2.0 PointsQuestion 4 of 20A survey was conducted of 130 purchasers of new BMW 3 series cars, 130 purchasers of new BMW 5 series cars, and130 purchasers of new BMW 7 series cars. In it, people were asked the age they were when they purchased their car. The followingbox plots display the results.What is the interquartile range for the BMW 5 Series?A. about 32 yearsB. about 17 years
1/19/2020APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes3/141.0/ 1.0 Points0.0/ 1.0 PointsC. about 42 yearsD. about 63 yearsAnswer Key: BFeedback: IQR = Q3 - Q1 Q3 = 55 and Q1 is roughly 38.Question 5 of 20For a boxplot, the vertical line inside the box indicates the location of theA. medianB. modeC. meanD. inter quartile rangeAnswer Key: AFeedback: The Median is also known as Q2 or the second quartile value.