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Statistics Right-tail Hypothesis test using t-statistic

Question :
The mean score on a standardized psychology test is supposed to be 50. Believing that a group of psychologists will score higher, we test a random sample of 11 psychologists. Their mean score is 45 with s=3. Test at a level of significance of 1%.

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Solution Preview

Null Hypothesis :
H0 : µ = 50 and that the mean score is ...

Solution Summary

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