Analyze why there are two different versions (“Equal variances assumed” and “Equal variances not assumed”) of the ttest on the SPSS printout and how you decide which one is more appropriate.

Unit7Disc1

Various Forms of the t Test

In what research situations should the paired samples t test be used rather than the independent samples ttest?

Unit7Disc2

Two Versions of Independent Samples t Test

Analyze why there are two different versions (“Equal variances assumed” and “Equal variances not assumed”) of the ttest on the SPSS printout and how you decide which one is more appropriate.

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