A manufacturer of digital audiotape players surveyed 100 retail stores in each of his sales regions. An analyst noticed that in the South Atlantic region the average retail price was $165 (mean) and the standard deviation $30. However, in the Mid-Atlantic region the mean price was $170 with a standard deviation of $15.
What do these statistics tell us about these two sales regions?
(a) On an average, it appears that the retail prices of audiotape players is higher in the Mid-Atlantic region than in the ...
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