The following data represent the amount of time (in minutes) a random sample of

Question

The following data represent the amount of time (in minutes) a random sample of eight students took to complete the online portion of an exam in a particular statistics course. Compute the mean, median, and mode time. 68.6. 71.8, 85.4, 110.5. 128.4. 103.9. 94.7. 118.8 ? Compute the mean exam time. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. The mean exam time is O B. The mean does not exist Compute the median exam time. Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A. The median exam time is O B. The median does not exist. Compute the mode exam time. Select the correct choice below and, if necessary·ill in the answer box to complete your choice. O A. The mode is O B. The mode does not exist Round to two decimal places as needed.) Round to two decimal places as needed.) Round to two decimal places as needed. Use a comma to separate answers as needed)

Explanation / Answer

solution:-

given values 68.6,71.8,85.4,110.5,128.4,103.9,94.7,118.8

compute the mean exam time
option A. mean = sum of terms / number of terms
= 782.1/8
= 97.76

compute the median exam time
option A.
Ordering the data from least to greatest
68.6,71.8,85.4,94.7,103.9,110.5,118.8,128.4
median = (94.7 + 103.9)/2
= 99.3

compute the mode exam time
option B
the mode does not exist

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