a In many situations the alternative hypothesis is referred

a) In many situations, the alternative hypothesis is referred to as the research hypothesis, since it is the statement the researcher would really like to validate.

b)The alternative hypothesis should be identified with the hypothesis of no change, no difference, no improvement, and so on.

c)In our treatment of hypothesis testing, the null hypothesis will always be stated as an equality claim.

False

d)A __________ error involves not rejecting the null hypothesis H0 when H0 is false.

f)

False

Solution

a) In many situations, the alternative hypothesis is referred to as the research hypothesis, since it is the statement the researcher would really like to validate. TRUE.

b) The alternative hypothesis should be identified with the hypothesis of no change, no difference, no improvement, and so on. False.

c) In our treatment of hypothesis testing, the null hypothesis will always be stated as an equality claim. True.

d)A type II error involves not rejecting the null hypothesis H0 when H0 is false.

e)As the level of significance increases, the critical value decreases. False.