Ali and Karim intend to investigate the average weight
of LIU female students. They claim that the average weight of LIU
female students is 65 kg. After collecting the necessary data (Ali
selected a larger random sample than that selected by Karim) and
performing the needed tests,
the following debate arised between them
Ali: At the 2% significance level, we can conclude that the average
weight of LIU female students is 65 kg.
Karim: But we may not conclude that the average weight of LIU
female students is 65 kg at the 6% significance level. a. State the
null and the alternate hypotheses.
b. State the decision rule using p value.
c. Give an expectation of p value such that the claim is not
rejected at the 2% but it is
rejected at the 6%.
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