Author Question: Recall the rule of thumb used to indicate when the normal distribution is a good approximation of ... (Read 115 times)

TVarnum · **on:** Jun 24, 2018

Recall the rule of thumb used to indicate when the normal distribution is a good approximation of the sampling distribution for the sample proportion p. For the combination n = 50, p = 0.05, the rule is satisfied.
Indicate whether the statement is true or false

Question 2

In a regression problem, if the coefficient of determination is 0.95, this means that:
a. 95 of the y values are positive.
b. 95 of the variation in y can be explained by the variation in x.
c. 95 of the y values are predicted correctly by the model.
d. None of these choices.