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23-05-2023
Mathematics

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On an elementary school spelling examination, the mean grade of 36 boys was 72 with a standard deviation of 6, while the mean grade of 32 girls was 75 with a standard deviation of 8. We want to test the alternative that the girls are better at spelling than the boys. The level of significance is 0.10. Write your null and alternative hypothesis, and present the results of statistical test in APA

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