A tea store manager claims that Branch A has lower average daily sales compared to Branch B. He recorded the daily sales from a random of 40 days in each tea store. The results are tabulated below. Is there enough evidence to support the claim of the manager? Test the hypothesis at 0.01 level of significance. Branch B P 17510 Branch A P 15500 P 53 Mean Standard Deviation P35 N 40 40 a. Null and alternative hypothesis b. Level of significance c. Test statistics to be used and decide whether a one-tailed test or two-tailed test

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A tea store manager claims that Branch A has lower average daily sales compared to Branch B. He
recorded the daily sales from a random of 40 days in each tea store. The results are tabulated
below. Is there enough evidence to support the claim of the manager? Test the hypothesis at 0.01
level of significance.
Branch A
Branch B
P 15500
P 53
Mean
P 17510
Standard Deviation
P35
40
40
а.
Null and alternative hypothesis
b. Level of significance
c. Test statistics to be used and decide whether a one-tailed test or two-tailed test
d. Critical value and the rejection region/s
e. Compute for the value of test statistic.
f. State the decision
g. State the conclusion.
Transcribed Image Text:A tea store manager claims that Branch A has lower average daily sales compared to Branch B. He recorded the daily sales from a random of 40 days in each tea store. The results are tabulated below. Is there enough evidence to support the claim of the manager? Test the hypothesis at 0.01 level of significance. Branch A Branch B P 15500 P 53 Mean P 17510 Standard Deviation P35 40 40 а. Null and alternative hypothesis b. Level of significance c. Test statistics to be used and decide whether a one-tailed test or two-tailed test d. Critical value and the rejection region/s e. Compute for the value of test statistic. f. State the decision g. State the conclusion.
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