![]() ![]() An analyst at a department store wants to evaluate a recent credit card promotion. To this end, 500 cardholders were randomly selected. Half received an ad promoting a reduced interest rate on purchases made over the next three months, and half received a standard seasonal ad. This example uses the file creditpromo.sav . Use Independent-Samples T Test to compare the spending of the two groups. |
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Testing Two Independent Sample Means |