Question
A survey of randomly selected students was asked their main reason for choosing OUR UNIVERSITY over other universities. The student's responses are shown in the
A survey of randomly selected students was asked their main reason for choosing OUR UNIVERSITY over other universities. The student's responses are shown in the following contingency table.
Reason for choosing
OUR University
(a)Is there enough evidence to infer that the proportion of Canadian Students whose main reason for choosing OUR University was "Reputation" exceed by more than 10% the proportion of international students whose main reason was the same? Assume that the level of significance is 1%.
(b)Is there enough evidence to infer at the 2.5% level of significance that "Student" and "Reason of Choosing OUR University" are dependent? [Assume that the value of the calculated Test Statistic is 3.29, based on the table shown above].
(c)Under what conditions should be pooled-variance t test be used to examine possible differences in the means of two independent samples?
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