Refer to Exercise 2.8. The prices of a 6-ounce can or a 7.06-ounce pouch for 14 different brands of water-packed light tuna, based on prices paid nationally in supermarkets, are reproduced here.

a. Calculate the five-number summary.
b. Construct a box plot for the data. Are there any outliers?
c. The value x = 1.92 looks large in comparison to the other prices. Use a z-score to decide whether this is an unusually expensive brand of tuna.

Transcribed Image Text:

99 1.92 123 85 65 53 141 1.12 63 67 69 60 6066