Excel 2016 for Marketing Statistics by Thomas J. Quirk & Eric Rhiney

Author:Thomas J. Quirk & Eric Rhiney
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

Suppose you collect these ratings and determine (using your new Excel skills) that the 52 boys in the Coke group had a mean rating of 55 with a standard deviation of 7, while the 57 boys in the Pepsi group had a mean rating of 64 with a standard deviation of 13.

Note that the two-group t-test does not require that both groups have the same sample size. This is another way of saying that the two-group t-test is “robust” (a fancy term that statisticians like to use).

Your data then produce the following table in Fig. 5.8:

Fig. 5.8Worksheet Data for Soft Drink Taste Test

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