QUESTION 7 A random sample of n = 18 is drawn from a normally distributed population with an unknown standard deviation. The sample mean is = 58.2 and sample standard deviation is s = 8.5. What is the...


QUESTION 7<br>A random sample of n = 18 is drawn from a normally distributed population with an unknown standard deviation. The sample mean is = 58.2 and<br>sample standard deviation is s = 8.5. What is the 95% confidence interval for the population mean?<br>O a. (53.97, 62.43)<br>O b.(56.84, 59.56)<br>O c. (54.71, 61.69)<br>O d. (56.45, 59.95)<br>

Extracted text: QUESTION 7 A random sample of n = 18 is drawn from a normally distributed population with an unknown standard deviation. The sample mean is = 58.2 and sample standard deviation is s = 8.5. What is the 95% confidence interval for the population mean? O a. (53.97, 62.43) O b.(56.84, 59.56) O c. (54.71, 61.69) O d. (56.45, 59.95)

Jun 07, 2022
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