Answer to Question #308929 in Statistics and Probability for Rose

Question #308929

A kinder teacher developed a coloring worksheet for her pupils. Using this working sheets, the pupil's performance has a mean score of 90 and a standard deviation of 10. Fifty kinder students from a certain barangay were asked to answer the said worksheet and found that their mean score was 95 with a standard deviation of 5. Test the hypothesis at 1% significance level.

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