2. Sample attendance records at a school show the number of days each student was absent during the year. The days absent for each student were as follows: 9 3 4 2 8 6 3 4 0 6 7 3 4 2 2 a) Calculate the mode, mean, and median speed. Which one of the three do you think better describes the data set? Why? Mode = _________________________________ Median = _______________________________ Mean = _________________________________ b) Calculate the standard deviation of the sample. If necessary round your answer to three decimal places:
Added by Adriana E.
Step 1
In this case, the numbers are: 0, 2, 2, 2, 3, 3, 3, 4, 4, 4, 6, 6, 7, 8, 9. The number 2 and 3 both appear 3 times, which is more than any other number. Therefore, the mode is 2 and 3. Show more…
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