In order to calculate the z test, one must know
a. the sample's true standard deviation
b. the amount of sampling error present
c. the parameter mean, the parameter standard deviation and the sample mean
d. the exact amount of bias contained in the sample
c
Psychology
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A circadian cycle is about ________ hours long
a. 1.5 b. 6 c. 24 d. 12
Psychology
John has a great need for order and perfectionism. He can't leave the house until every hair is in place, and he has been known to iron the same shirt over and over to ensure that he is wrinkle-free
What personality disorder does John's behavior suggest? a. Avoidant b. Dependent c. Obsessive-compulsive d. Narcissistic
Psychology