QUESTION 7 "A student wants to test whether there is a significant difference in IQ scores between tall people and short people. In order to do this, the student gives a standardized test to two groups, one of which consists of people over 6 foot, and the other only people under 6 foot. They then compared how these two groups performed on this IQ test to find any significant difference in mean test scores. Which of the following hypothesis tests would be most appropriate given this scenario?" O single-sample t-test O independent sample t-test O dependent sample t-test O z-test

Q: 5 and 6 please

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Q: 8 and 9

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Q: 7 and 8

A: We have given problems.

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Q: 8 and 9

A: 8.

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