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The Amount of Hours Spent on Homework and Studying Per

Question 1

Short Answer

The amount of hours spent on homework and studying per week for a sample of 30 random students is given below:
3566777788910101213141414151517192020212124272830\begin{array}{cccccccccc} 3 & 5 & 6 & 6 & 7 & 7 & 7 & 7 & 8 & 8 \\ 9 & 10 & 10 & 12 & 13 & 14 & 14 & 14 & 15 & 15 \\ 17 & 19 & 20 & 20 & 21 & 21 & 24 & 27 & 28 & 30 \\ \end{array}
(a) Find the mean.
(b) Find the median.
(c) Find the mode.
(d) Find the range.
(e) Find the standard deviation to three significant digits.

Correct Answer:

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