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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 56

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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
For constructing a 95% confidence interval estimate for the difference between the means of two normally distributed populations,where the unknown population variances are assumed not to be equal,the summary statistics computed from two independent samples are as follows:
n1 = 50, THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: For constructing a 95% confidence interval estimate for the difference between the means of two normally distributed populations,where the unknown population variances are assumed not to be equal,the summary statistics computed from two independent samples are as follows: n<sub>1</sub> = 50, <sub>1</sub> = 175,s<sub>1</sub> = 18.5,n<sub>2</sub> = 42, <sub>2</sub> = 158,and s<sub>2</sub> = 32.4 -What is the lower confidence limit of the 95% confidence interval for the difference between the means? A) 5.72 B) 6.37 C) 8.45 D) 9.20
1 = 175,s1 = 18.5,n2 = 42, THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: For constructing a 95% confidence interval estimate for the difference between the means of two normally distributed populations,where the unknown population variances are assumed not to be equal,the summary statistics computed from two independent samples are as follows: n<sub>1</sub> = 50, <sub>1</sub> = 175,s<sub>1</sub> = 18.5,n<sub>2</sub> = 42, <sub>2</sub> = 158,and s<sub>2</sub> = 32.4 -What is the lower confidence limit of the 95% confidence interval for the difference between the means? A) 5.72 B) 6.37 C) 8.45 D) 9.20
2 = 158,and s2 = 32.4
-What is the lower confidence limit of the 95% confidence interval for the difference between the means?

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