1. If the population has a variance of 16 units, what is the variance of the mean if sample of size 5 are selected? A. 0.8 B. 2 C. 3.2 D. 4 2. What is the probability of each rejection region in a normal distribution of two – tailed test given the level of significance α = 0.01? A. 0.001 B. 0.005 C. 0.01 D. 0.05 3. Suppose the probability of committing Type I error increases. What will happen to the probability of committing Type II error? A. The probability of committing Type II error will decrease. B. The probability of committing Type II error will be doubled. C. The probability of committing Type II error will be the same. D. The probability of committing Type II error will also increase.
1. If the population has a variance of 16 units, what is the variance of the mean if
A. 0.8
B. 2
C. 3.2
D. 4
2. What is the
A. 0.001
B. 0.005
C. 0.01
D. 0.05
3. Suppose the probability of committing Type I error increases. What will happen to the probability of committing Type II error?
A. The probability of committing Type II error will decrease.
B. The probability of committing Type II error will be doubled.
C. The probability of committing Type II error will be the same.
D. The probability of committing Type II error will also increase.
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