In the formula for total variance, how is ??X2 calculated?
a. Add all the scores and then square the sum.
b. Add the scores in one group and then square the sum.
c. Square all the scores, and then add the squared values.
d. Square the scores for one group, and then add the squared values.
C
First square every score, and then add the squared values. When told to multiply (square) and add, but given no parentheses, multiply first and then add.
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Which of the following statements most reflects a social psychological point of view?
a. I'll hire Justin to house-sit because he seems like a trustworthy type. b. Sara won the competition because she is a hard-working person. c. Fred offered to help because there was a certain someone watching whom he wanted to impress. d. Janet's love for Jessica is an unconscious reflection of her childhood idealization of her mother.
Assumptions for statistical procedures are about
A) populations. B) samples. C) inferences. D) hypotheses.