Question

What is the repeated-measures t statistic for a two-tailed test using the following scores

Answer 1

Based on the values in the table, the repeated measures t statistic would be b. -0.577.

What is the repeated-measures t-statistic?

The test statistic can be found as:

= (Mean difference - μd) / (Standard deviation / sample square root)

These figures can be found in a spreadsheet to be:

μd = 0

Mean difference = -1

Standard deviation = 3.4641

The test statistic is therefore:

= (-1 - 0) / (3.4641 / √4)

= - 0.577350269

= - 0.577

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