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Conclusion differ between using the t or normal critical

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Comparing the answers to (a) and (b), for what range of values of t statistics would the hypothesis test conclusion differ between using the t or normal critical values? How practically important does this difference appear to be? Explain.

Given that n=60, H0: mean=0, HA: mean>0, level of significance=0.05 and:

(a) Using t distribution in excel, critical value=1.671

(b) Using the table(since the df>30, so we use df=infinity), critical value=1.645

Reference no: EM131992239

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