The psychologist tests the null hypothesis that the level of depression of fourth graders in this class does not differ from fourth graders in general at the school and obtains a t score of 0.20.
The decision regarding the null hypothesis would be to
A) reject it.
B) fail to reject it.
C) adjust the power.
D) increase the sample size.
Question 2
Which interpretation is consistent with Scenario A?
A) More money is spent when people shop for a long time as compared with a short time.
B) Younger buyers spend more money in general than older buyers.
C) Less money is spent when people shop for a long time as compared with a short time.
D) Older buyers spend more money in general than younger buyers.
Yinka Shonibare MBE, Nelson's Ship in a Bottle, Fourth Plinth, Trafalgar Square, London.
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