Suppose you measure the heights of a SRS of 400 eight- year-old US girls. If their average height () is 142 cm. Calculate and provide an interpretation for the 95% confidence interval (CI). Assume you...

A) What formula do you need to use for this calculation
B) what is the mean of the sample?

c. What is the margin of error?

d. What are the values of the upper and lower Confidence Intervals?

Extracted text: Suppose you measure the heights of a SRS of 400 eight- year-old US girls. If their average height () is 142 cm. Calculate and provide an interpretation for the 95% confidence interval (CI). Assume you know that the population standard deviation (ơ) is 8 cm.