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Week 2 Knowledge Check Homework Practice Questions
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Part 1 of 8 - Measures of the Spread of Data Knowledge Check Homework
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Question 1 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.Calculate the third quartile. Round to two decimal places.Third Quartile: 1922.75
Question 2 of 20movie data.xlsx9 KBTwenty-five randomly selected students were asked the number of movies they watched the previous week. Theresults are as follows:See Attached Excel for Data.Find the sample mean.Round to two decimal places.
1.48
Answer Key:
1.48
Feedback:
use =AVERAGE function in Excel.
Question 3 of 20
MATH302 B009 Win 20
Tests & Quizzes
Tests & Quizzes

1.0/ 1.0 PointsQuestion 4 of 20To determine if Reiki is an effective method for treating pain, a pilot study was carried out where a certifiedsecond-degree Reiki therapist provided treatment on volunteers. Pain was measured using a visual analogue scale (VAS)immediately before and after the Reiki treatment (Olson & Hanson, 1997). Higher numbers mean the patients had more pain.Use the box-and-whiskers plots of the before and after VAS ratings to determine if the Reiki method was effective in reducingpain. Choose the best response from the options below.
FTES data.xlsx
8 KB
The 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:
152.5 Calculate the standard deviation.
Round to one decimal place.
Answer Key:
167.0| 167
Feedback:
use =STDEV.S function in Excel.
Part 2 of 8 - Box Plot Knowledge Check Homework Practice
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