body fat
7.5
9
10
10.1
10.7
11.9
13.9
14.2
14.4
14.5
14.9
15
15
15.2
15.5
15.7
15.7
15.8
16.7
17.3
17.8
17.8
20.2
20.5
21.1
21.3
23.1
23.2
23.8
24.2
26.2
26.4
28
28.7
32.5
32.7
34.2
35
35.3
35.5

034 worksheet sd3 Name:

The data for this exercise should be downloaded from the web site. Due to the holiday, this is a worksheet and not a test. You can talk with the person on your left and/or the person on your right, but only with these two persons. Whomever is on your right and left are members of your own team. If you sit at an end computer, then you have only one other partner, not two. If for some reason you do have to enter the data manually, then check that your data matches the following values:

sample size     40
minimum          7.5
first quartile  14.8
median          17.55
third quartile  24.7
maximum         35.5
mode            15 (multi-modal at 15, 15.7, and 17.8)
mean            20.0125
stdev           7.9329299887

range = __________ Calculate the range.
width = __________ Calculate the width by dividing the range into five classes.
Determine the frequency and calculate the relative frequency for the data. Record your results in the table provided.

Class upper limits Frequency F Relative Freq.

Sums:
Sketch a frequency histogram for the data, labeling your horizontal axis and vertical axis as appropriate.
What is the shape of the histogram?

Class upper limits	Frequency F	Relative Freq.





Sums: