Question

Use SPSS to get the appropriate output, and please explain the process. Along with providing the SPSS output, use the 5 steps of hypothesis testing to analyze the results by using the p-value approach.

4. Workers went through a training program to help them in the packaging of items needed for the purchaser to assemble a toy. The number of defective packages returned per month is recorded for each employee doing the packaging. Below are the before and after number of defects per month per employee. Test to see if the mean difference in defects has lowered after the employees went through the training program. Test at the 0.01 level of significance. Defects/Month Employee Before After 1 55.00 45.00 2. 56.00 50.00 3 45.00 45.00 4 48.00 40.00 5 44.00 30.00 6 58.00 48.00 7 53.00 42.00 8 47.00 48.00

Answer 1

Solution: