scenario
Nora would like to conduct an experiment to determine whether behavior modification techniques can help children eliminate bedwetting. She obtains a sample of children who wet the bed and randomly assigns half to the behavior modification therapy and half to a control group who receive no therapy. After six months, she measures how often children in each group wet the bed.
-Suppose Nora used α = .05 for a two-tailed test. According to the t distribution table, what value from the table did Nora's t value have to exceed in order for it to be considered significant?
A) 1.725
B) 1.734
C) 2.086
D) 2.101
Correct Answer:
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