Question: In Professors Dres study, the average number of errors detected in the print and computer conditions was 38.4 and 13.2, respectively; this difference was not

In Professors Dre’s study, the average number of errors detected in the print and computer conditions was 38.4 and 13.2, respectively; this difference was not statistically significant. When Professor Seuss conducted the same experiment, the means of the two groups were 21.1 and 14.7, but the difference was statistically significant.

Explain how this could happen.

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