Purchase Solution

Paired t-test

Not what you're looking for?

Ask Custom Question

The self-help skill teaching for the primary parents of a random sample of families with mentally retarded children before and after training program.

Before 07 06 10 16 08 13 08 14
After 11 14 16 17 09 15 09 17

Based on this information, can you conclude that the training program is effective? Use a significance level of 0.05. Does the data enable you to reject or not to reject the null hypothesis?

Purchase this Solution

Solution Summary

This solution shows details of how to conduct a paired t-test and to complete the calculations by hand.

Purchase this Solution

Free BrainMass Quizzes
Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.