Difference in knowledge of minor home repairs

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A researcher would like to find out about the difference in knowledge of minor home repairs between college graduates and people who never attended college. He creates a test with questions about home repairs. A random sample of 100 college graduates had an average score of 78 with a standard deviation of 21. The non-college group (100 participants) had an average score of 85 with a standard deviation of 16. Test the claim that the college group had lower scores on average than the higher group. Use 10% significance and a critical region.

Reference no: EM131971969

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