The data holds the total fat, in grams per serving, for the sample of 20 chicken sandwiches from fast food chains. The data is as follows:
|
7
|
8
|
4
|
5
|
16
|
20
|
20
|
24
|
19
|
30
|
|
23
|
30
|
25
|
19
|
29
|
29
|
30
|
30
|
40
|
56
|
a. Evaluate the mean median, first quartile, and third quartile.
b. Evaluate the variance, standard deviation, range interquartile range, coefficient of variance, and z scores. Are the qny outliers?Describe.
c. Are the data skewed ?If so, how?
d. Based upon the results of (a) through (c), what conclusions can you reach concerning total fat of chicken sandwiches?