Question: To study how first-grade students utilize their time when assigned to a math task, a researcher observes 24 students and records their times off-task out

To study how first-grade students utilize their time when assigned to a math task, a researcher observes 24 students and records their times off-task out of 20 minutes. The dotplot appears on page 31. (courtesy of T. Romberg).

For this data set, find:
(a) Mean and standard deviation.
(b) Median.
(c) Range.

Times Off-Task (minutes) 5 4 13 77 10 10 0 5 3 98

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