Exercise

Question 10

Calculate the modified \(\alpha\) (\(\alpha^{*}\)) to be used for these tests.

You can run the code in the space provided:

inference(y = gss$wordsum, x = gss$class, est = "mean", method = "theoretical", type = "ht", alternative = "greater")

Instructions

50 XP

Possible Answers

$$\alpha^{*} = \alpha = 0.05$$
$$\alpha^{*} = \frac{\alpha}{2} = 0.025$$
$$\alpha^{*} = \frac{\alpha}{4} = 0.0125$$
$$\alpha^{*} = \frac{\alpha}{6} = 0.0083$$

Take Hint (-15 XP)