For Exercises 37–40, software output from a test for is provided. For each, examine the indicated software output, and provide the following steps:

  • Step 1 State the hypotheses and the rejection rule.
  • Step 2 Find .
  • Step 3 Find the -value.
  • Step 4 State the conclusion and interpretation.

540

Use level of significance for each hypothesis test.

Question 9.235

39. SPSS output

image

9.4.39

Step 1

We will reject if the .

Step 2

Step 3 -

Step 4 The is . Therefore we reject . There is evidence at level of significance that the population mean is not equal to 20.