Question: Use a computer or calculator to select 40 random single-digit numbers. Find the sample mean and z. Using 0.05, state the decision for

Use a computer or calculator to select 40 random single-digit numbers. Find the sample mean and z. Using 0.05, state the decision for testing Ho: 4.5 against a two-tailed alternative.

Repeat it several times as in Table 8.12. Describe your findings after several tries.

FYI Use commands for generating integer data on page 101; then continue with the hypothesis test commands on pages 438–439.

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