5. A statistical report states that the 95% confidence interval for the mean salary of new job on a company is between 25500 OR and 25000 OR obtained from a sample of 15. Calculate the population standard division assuming that the population variance is unknown. A. 563.75 B. 451.40 C. 518.67 D. 534.18

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5. A statistical report states that the 95% confidence interval for the mean salary of new job on a company
is between 25500 OR and 25000 OR obtained from a sample of 15. Calculate the population standard
division assuming that the population variance is unknown.
A. 563.75
B. 451.40
C. 518.67
D. 534.18
Transcribed Image Text:5. A statistical report states that the 95% confidence interval for the mean salary of new job on a company is between 25500 OR and 25000 OR obtained from a sample of 15. Calculate the population standard division assuming that the population variance is unknown. A. 563.75 B. 451.40 C. 518.67 D. 534.18
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