In Exercise 11.43 (and data set EX1143), we compared the regular prices at four different grocery stores

Question:

In Exercise 11.43 (and data set EX1143), we compared the regular prices at four different grocery stores for eight items purchased on the same day. The prices are listed in the table.

a. Does the distribution of the prices differ from one supermarket to another? Test using the Friedman Fr-test with Î± =.05.
b. Find the approximate p-value for the test and interpret it.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...