A-1. For the following statements, If the relationship in a regression model is significant at 99% confidence interval, then this relationship must also be significant at 95% confidence interval. Whenever your decision is to reject the null hypothesis, there is a risk of a Type I error. The sampling distribution of the sample mean is approximately normal whenever the sample size is sufficiently large (n > 30) How many of them are true? А. О В. 1 С. 2 D. 3

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A-1. For the following statements,
If the relationship in a regression model is significant at 99% confidence interval,
then this relationship must also be significant at 95% confidence interval.
Whenever your decision is to reject the null hypothesis, there is a risk of a Type I
error.
The sampling distribution of the sample mean is approximately normal whenever the
sample size is sufficiently large (n > 30)
How many of them are true?
А. О
В. 1
С. 2
D. 3
Transcribed Image Text:A-1. For the following statements, If the relationship in a regression model is significant at 99% confidence interval, then this relationship must also be significant at 95% confidence interval. Whenever your decision is to reject the null hypothesis, there is a risk of a Type I error. The sampling distribution of the sample mean is approximately normal whenever the sample size is sufficiently large (n > 30) How many of them are true? А. О В. 1 С. 2 D. 3
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