Multiple Choice
Which of the following statements about a weighted mean is true?
A) The weighted mean is always equal to the arithmetic mean.
B) The weighted mean can only be reported if the sample size is equal in each group.
C) The weighted mean is used to compute the combined mean for two or more samples of scores in which the number of scores in each sample is disproportionate or unequal.
D) The weighted mean is heavier than an arithmetic mean.
Correct Answer:
Verified
Correct Answer:
Verified
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