B Yes the treatment was effective since all 3 quartiles for the after treatment

B yes the treatment was effective since all 3

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1.0/ 1.0 PointsSixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week.Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; ninegenerally sell six cars; eleven generally sell seven cars. Complete the table. If the answer is a whole number leave whole otherwise,round your answers to one decimal place.
BQuestion 5 of 20For a boxplot, the vertical line inside the box indicates the location of the
B
Part 3 of 8 - Displaying Data Knowledge Check Homework Practice1.0/ 2.0 PointsQuestion 6 of 20Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week.Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; ninegenerally sell six cars; eleven generally sell seven cars. Complete the table. If the answer is a whole number leave whole otherwise,round your answers to one decimal place.Data Value (#cars)FrequencyRelative FrequencyPercentCumulativeFrequency31421.5 %1441929.2%3351218.46%45
0.0/ 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?69
A. 16.55B. 20C. 0.40D. 78E. 74.15
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