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Assume That Sample Data,based on Two Independent Samples of Size

question 22

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Assume that sample data,based on two independent samples of size 25,give us Assume that sample data,based on two independent samples of size 25,give us = 505, = 515,s<sub>1</sub> = 23,and s<sub>2</sub> = 28.What is a 95% confidence interval (use the conservative value for the degrees of freedom) for <font face= symbol ></font><sub>2</sub> - <font face= symbol ></font><sub>1</sub>? A) (-2.40,22.40) B) (-4.57,24.57) C) (-4.96,24.96) D) (5.79,14.21) = 505, Assume that sample data,based on two independent samples of size 25,give us = 505, = 515,s<sub>1</sub> = 23,and s<sub>2</sub> = 28.What is a 95% confidence interval (use the conservative value for the degrees of freedom) for <font face= symbol ></font><sub>2</sub> - <font face= symbol ></font><sub>1</sub>? A) (-2.40,22.40) B) (-4.57,24.57) C) (-4.96,24.96) D) (5.79,14.21) = 515,s1 = 23,and s2 = 28.What is a 95% confidence interval (use the conservative value for the degrees of freedom) for 2 - 1?

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