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Calculatinga t-statistic for a grocery store comparison

The table below compares the prices of two online grocery stores.

(see attached table)

Using the table, which of the following is the correct calculation of the t statistic needed to test the null hypothesis that there is no difference in the average price of items at the two stores?

A. -0.011
B. -0.541
C. -1.746
D. -2.686

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Solution Summary

The solution calculates the required t-stat to compare the prices of items at two grocery stores.

$2.19