In a Two-Tailed Hypothesis Test in Which the Null Hypothesis $\mu$

question 28

Multiple Choice

In a two-tailed hypothesis test in which the null hypothesis is $\mu$ ₁ = $\mu$ ₂, suppose sample results lead you to reject the null hypothesis at the 5% significance level.Which of the following statements must be true?

• A)\(\mu\)₁ - \(\mu\)₂ must be greater than 0.
• B)you would also reject the null hypothesis at the 1% significance level.
• C)the sample mean difference is statistically significant at the 5% level and above.
• D)the p-value for the sample mean difference could be.075.

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