7. A distribution is positively skewed. Which is the most probable order for the

Question

7. A distribution is positively skewed. Which is the most probable order for the three measures of central tendency? A. B. C. D. Mean = 40, median = 50, mode 60 Mean = 60, median 50, mode = 40 Mean 40, median 60, mode 50 Mean 50, median = 50, mode = 50 The following is a boxplot represents the 5k finish times (in minutes) for 50 runners. Use this boxplot to answer the following 3 questions. 10 12 14 16 18 20 22 24 26 28 8. What percentage of students completed the task within 14 minutes? 9. How long did it take the slowest runners to complete the 5k? 10. What was the fastest time?

Explanation / Answer

7)

as for postive skewed data ; mean is greater than median and mode,

option B is correct

8)

for 14 minutes is at 1st quartile ; therefore 25% of students completed the task within 14 minutes

9)

for slowest runner will complete at 26 minutes

10) for dastest time should be on left end which is =12 minute

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