High School

Dear beloved readers, welcome to our website! We hope your visit here brings you valuable insights and meaningful inspiration. Thank you for taking the time to stop by and explore the content we've prepared for you.
------------------------------------------------ If the confidence interval for the mean of a certain population is 90 to 100, then the sample mean is:

A. 92.5
B. 97.5
C. None
D. 95
E. 90

Answer :

Final answer:

The sample mean is 95.

Explanation:

To find the sample mean from a given confidence interval, we can take the average of the lower and upper bounds of the interval. In this case, the confidence interval is 90 to 100. To find the sample mean, we add the lower bound (90) and the upper bound (100) and divide the sum by 2:

(90 + 100) / 2 = 190 / 2 = 95

Therefore, the sample mean is 95.

Learn more about finding the sample mean from a given confidence interval here:

https://brainly.com/question/24228336

#SPJ14

Other Questions