Question

You have a sample of 45 3rd graders who took a reading comprehension test before and...

You have a sample of 45 3rd graders who took a reading comprehension test before and after participating in a reading program. The scores on the reading comprehension test are then compared. What is the appropriate test to use?

one-sample z-test

two-sample t-test for dependent samples

none of the above

two-sample t-test for independent samples

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Answer #1

Solution :

This is the paired difference between before and after test .

The appropriate test to use : two-sample t-test for dependent samples

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