Question: To compare the demand for two different entrees, the manager of a cafeteria recorded the number of purchases of each entree on seven consecutive days.

To compare the demand for two different entrees, the manager of a cafeteria recorded the number of purchases of each entree on seven consecutive days. The data are shown in the table. Do the data provide sufficient evidence to indicate a greater mean demand for one of the entrees? Use the Excel printout.

Day Monday 420 391 Tuesday 374 343 Wednesday 434 469 Thursday 395 412 Friday 637 538 Saturday 594 521 Sunday679 625 t-Test: Paired Two Sample for Means Mean Variance Observations Pearson Correlation Hypothesized Mean Difference df t Stat P(Tc t) one-tail t Critical one-tail P(Tc=t) two-tail tCritical two-tail 504.714 471.286 16191.238 9495.571 0.945 1.862 0.056 1.943 0.112 2.447

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