# week 2 homework pt 1.pdf - u2220 MATH302 B008 Sum 20 \$...

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1.0/ 1.0 Points 1.0/ 1.0 Points Week 2 Knowledge Check Homework Practice Questions Week 2 Knowledge Check Homework Practice Questions Return to Assessment List Part 1 of 8 - Measures of the Spread of Data Knowledge Check Homework 3.0/ 3.0 Points Question 1 of 20 Cholesterol 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.xlsx 8 KB A. 45.76 ! B. 47.71 C. 2195 D. 46.85 E. 9.02 F. 2276.29 Answer Key: Answer Key: B Feedback: Feedback: use =STDEV.S function in Excel. Question 2 of 20 Suppose that a manager wants to test two new training programs. They randomly select 5 people for each training type and measure the time it takes to complete a task after the training. The times for both trainings are in the attached Excel file. Which training method is more variable? training data.xlsx 8 KB MATH302 B008 Sum 20 # \$ Tests & Quizzes Tests & Quizzes Tests & Quizzes
1.0/ 1.0 Points 1.0/ 1.0 Points 1.0/ 1.0 Points ! A. Training 1B. Training 2C. They have the same mean so the variability is the same.Answer Key: Answer Key: A Feedback: Feedback: Training 1 because the SD and Variance are bigger. 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.Mean: !1810.7Calculate the mean. Round to one decimal place. Feedback: Feedback: use =AVERAGE function in Excel Part 2 of 8 - Box Plot Knowledge Check Homework Practice 2.0/ 2.0 Points Question 4 of 20The length of the box in the boxplot portrays the ! C. interquartile range D. mean Answer Key: Answer Key: C Feedback: Feedback: IQR = Q3 - Q1 Question 5 of 20 Enter your responses in the two blank spaces below.PowerebySakaiCopyri