Question: Tuna Fish. The prices of a 6-ounce can or a 7.06 pouch for 14 different brands of water packed tuna, based on prices paid nationally in supermarkets are listed here.

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

a. Use the range approximation to find an estimate of s.

b. How does it compare to the computed value of s?