According to the survey made by the Philippine Statistics Office, clothing expenditure averages p400 per person in urban areas and P356 in rural areas Assuming that these data involve a) sample sizes of 750 and 650 b) standard deviations of P75 and P65 respectively, does it appear that the two areas have equal clothing expenditure? Test the hypothesis at 90% significance level? 1.  what is the computed value? 2. what is the Decision? 3. what is the conclusion?

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