The cutoff t needed is -1.833. the standard deviation of, Ask an Expert

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Suppose a researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular job-skills training program. The cutoff t needed is -1.833. The standard deviation of the distribution of means of change scores is 2.0 and the mean change score for the sample studied is an increase of 5.2. What is the t score?

A. 5.2/-1.833=-2.84

B. 2/5.2=.38

C. 5.2/2=2.60

D. 22

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