For the data listed below, complete the following:
a. Calculate the range.
b. Calculate the median.
c. Calculate the cumulative percentile of 17.
d. Calculate the mean.
e. Calculate the standard deviation.
X f
25 1
23 3
22 4
21 6
20 8
19 10
18 7
17 5
16 6
15 3
14 2
13 2
a. Range is 13
b. Median is 29th score = 19
c. Cum %tile is 18/57 = 31.58%
d. Mean is 18.67
e. S.D. is 2.64
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