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Suppose You Take a Random Sample from a Population Known

Question 25

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Suppose you take a random sample from a population known to be normally distributed, but the value of σ is unknown. Your sample size is n =15. Which formula below should be used to find the 95% confidence interval for the mean? ​


A) Suppose you take a random sample from a population known to be normally distributed, but the value of σ is unknown. Your sample size is n =15. Which formula below should be used to find the 95% confidence interval for the mean? ​ A) B) C) D) E)
B) Suppose you take a random sample from a population known to be normally distributed, but the value of σ is unknown. Your sample size is n =15. Which formula below should be used to find the 95% confidence interval for the mean? ​ A) B) C) D) E)
C) Suppose you take a random sample from a population known to be normally distributed, but the value of σ is unknown. Your sample size is n =15. Which formula below should be used to find the 95% confidence interval for the mean? ​ A) B) C) D) E)
D) Suppose you take a random sample from a population known to be normally distributed, but the value of σ is unknown. Your sample size is n =15. Which formula below should be used to find the 95% confidence interval for the mean? ​ A) B) C) D) E)
E) Suppose you take a random sample from a population known to be normally distributed, but the value of σ is unknown. Your sample size is n =15. Which formula below should be used to find the 95% confidence interval for the mean? ​ A) B) C) D) E)

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