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Mathematics, 03.09.2021 01:00 jnthnsngh

Suppose you want to test if left-handed individuals have a higher IQ than right-handed individuals. You conduct a study from 250 students, of which 140 are left-handed. After subjecting each student to an IQ test, you find that left-handed individuals score 108.3 with a standard deviation of 13.2, and right-handed individuals score 107.1 with a standard deviation of 11.6. The null hypothesis is that left- and right-handed individuals have the same IQ. The alternative hypothesis is that left-handed individuals have higher IQs. Using a size of the test of 5%, what is your conclusion

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