2.58 Tuna Fish, again Refer to Exercise 2.8. The prices of a 170-gram can for 14 different brands of water-packed light tuna, based on prices paid nation- ally in supermarkets, are reproduced here. 20

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:

0.99 1.92 1.23 0.85 0.65 0.53 1.41 1.12 0.63 0.67 0.69 0.60 0.60 0.66