Question: 47. a) When the sample size is very large, we have not necessarily established an important result when we show a statistically significant association. Explain

47.

a) When the sample size is very large, we have not necessarily established an important result when we show a statistically significant association. Explain

b) The remark in Section 84 about small P-values not necessarily referring to an impor- tant effect applies for any significance test. Explain why, illustrating with the observation in Example 67 that, when n is large, a small P-value may occur in testing Ho. = when is not very different from ju in practical terms.

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