6) A Type I error is: the probability of rejecting the null hypothesis when the
ID: 1094869 • Letter: 6
Question
6)
A Type I error is:
the probability of rejecting the null hypothesis when the null is true.
the probability of rejecting the alternative hypothesis when the null is true.
the probability of rejecting the alternative hypothesis when the alternative is true.
D) the probability of rejecting the null hypothesis when the alternative is true.
7) If random variable X is measured in units of "tons" and random variable Y is measured in units of "$", what are the units of the correlation coefficient rxy between X and Y?
rxy is in the units of $ per ton.
rxy is in the units of tons.
rxy is in the units of $'s.
rxy is a pure number.
rxy is in the units of $*tons.
A)the probability of rejecting the null hypothesis when the null is true.
B)the probability of rejecting the alternative hypothesis when the null is true.
C)the probability of rejecting the alternative hypothesis when the alternative is true.
D) the probability of rejecting the null hypothesis when the alternative is true.
7) If random variable X is measured in units of "tons" and random variable Y is measured in units of "$", what are the units of the correlation coefficient rxy between X and Y?
A)rxy is in the units of $ per ton.
B)rxy is in the units of tons.
C)rxy is in the units of $'s.
D)rxy is a pure number.
rxy is in the units of $*tons.
Explanation / Answer
6)
D) the probability of rejecting the null hypothesis when the alternative is true.
7)
D)rxy is a pure number