Hypothesis at the a level of significance

Reference no: EM131939273

1. If the 12 a central confidence interval on m does not contain the value of µ in the null hypothesis, then a two-tailed test would lead to rejection of the null hypothesis at the a level of significance.

2. If the variance of a normal distribution is unknown and is estimated by s², then two separate random samples of the same size could produce two confidence intervals of different widths.

Reference no: EM131939273

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