Jerome believes that his health food store’s prices are lower than Jennifer’s. Jerome and Jennifer construct a list of identical items and purchase them at their respective stores every week for 2 months. Jerome then wants to know if his hypothesis is supported.
a. Jerome has a directional research hypothesis.
b. Jerome has a nondirectional research hypothesis.
c. Jerome has a directional null hypothesis.
d. Jerome has a nondirectional null hypothesis.
Ans: A
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