Write interpretations of these t test values

Reference no: EM131384120

A large mail-order company with ten distribution centers had an average return rate of 5.3 percent. In an effort to reduce this rate, a set of testimonials was included with every shipment. The return rate was reduced to 4.9 percent. Write interpretations of these t-test values.

a. t = 2.10

b. t = 2.50

Reference no: EM131384120

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