Tuna Fish, again Refer to Exercise 2.8 and data set EX0208. The prices of a 6-ounce...

Tuna Fish, again Refer to Exercise 2.8 and data set EX0208. 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. Use the range approximation to find an estimate of s.

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

Reference:

Tuna Fish An article in Consumer Reports gives the price—an estimated average for 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:

a. Find the average price for the 14 different brands of tuna.

b. Find the median price for the 14 different brands of tuna.

c. Based on your findings in parts a and b, do you think that the distribution of prices is skewed? Explain.