In: Statistics and Probability
Below is the raw data for purchases made for three different shopping methods (1) if you shop as an impulsive shopper, (2) if you shop at a warehouse club like Costco, or (3) if you purchase store brands. Complete the LSD method to find which method(s) are different. Which method of shopping saves you the most money? Look at the average costs AND the results of the LSD method. Be specific in your answer.
(1)impulse (2) warehouse (3) store brands
12 9 8
14 13 13
10 11 7
22 18 17
14 14 13
18 15 11
15 13 10
average 15 13.3 11.6
Is there a difference in prices if you shop as an impulsive shopper, or you shop at a warehouse club like Costco, or if you purchase store brands? Complete the F-test to determine if there is a difference in prices of the methods of shopping. alpha = 0.05
Treatment |
350 |
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Error |
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Total |
490 |