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1.0/ 1.0 PointsQuestion 5 of 20To determine if Reiki is an effective method for treating pain, a pilot study was carried out where acertified second-degree Reiki therapist provided treatment on volunteers. Pain was measured using a visualanalogue scale (VAS) immediately before and after the Reiki treatment (Olson & Hanson, 1997). Higher numbersmean 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 inreducing pain. Choose the best response from the options below.A. about 32 yearsB. about 17 yearsC. about 42 yearsD. about 63 yearsAnswer Key: Feedback: IQR = Q3 - Q1 Q3 = 55 and Q1 is roughly 38.
B
1/19/2020APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes4/141.0/ 1.0 PointsQuestion 6 of 20Suppose that a histogram of a data set is approximately symmetric and bell shaped. Approximatelywhat percent of the observations are within two standard deviations of the mean?
BPart 3 of 8 - Displaying Data Knowledge Check Homework Practice2.0/ 2.0 Points
1/19/2020APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes5/141.0/ 1.0 PointsQuestion 7 of 20The 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 histogram.Percentage Change in Tuition Levels histogramClass LimitsClass MidpointFrequencyRelative Frequency2.2 – 11.76.9560.1211.8 – 21.316.55200.4021.4 – 30.926.15110.2231.0 – 40.535.7540.0840.6 – 50.145.3520.0450.2 – 59.754.9520.0459.8 – 69.364.5530.0669.4 – 78.974.1520.04What was the approximate value of the most frequent change in tuition?
C
C
Part 4 of 8 - Measures of Central Tendency Knowledge Check Homework Practice4.0/ 4.0 Points
1/19/2020APUS CLE : MATH302 B006 Win 20 : Tests & Quizzes6/141.0/ 1.0 Points1.0/ 1.0 PointsQuestion 8 of 20The following data show the amount (in ounces) of beverage in randomly selected 16-ouncebeverage cans.See Attached Excel for Data.The mode of this data isounces data.xlsx8 KB