Although their formulas are similar, one primary difference between a z-score (z) and a t-statistic (t) is that the ______ of the formula for the t-statistic involves ______.
a. denominator; the variability of individual scores (), not the variability of sample means
b. numerator; difference between a score (X) and a population mean (?)
c. denominator; the variability of sample means , not the variability of individual scores (Xs)
d. numerator; the difference between a score (X) and a sample mean
c. denominator; the variability of sample means , not the variability of individual scores (Xs)
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a. True b. False Indicate whether the statement is true or false
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Answer the following statement(s) true (T) or false (F)
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