The Following data represent the total fat for burgers and chicken items from a sample of fast-food chains.

FASTFOOD Burgers 19 31 34 35 39 39 43
Chicken 7 9 15 16 16 18 22 25 27 33 39

For the burgers and chicken items separately:

a. Compute the mean, median, mode, first quartile, and third quartile.
b. Compute the variance, standard deviation, range, and interquartile range.
c. Are the data skewed? If so, how?
d. Based on the results of (a) through (c), what conclusions can you reach concerning the differences in total fat of burgers and chicken items?