The heights (in inches)of men in the United States are believed to be Normally distributed.The average height of a random sample of 25 American adult men is found to be = 69.72 inches with a standard deviation of s = 4.15.What is the standard error of ?

Question

The heights (in inches)of men in the United States are believed to be Normally distributed.The average height of a random sample of 25 American adult men is found to be  = 69.72 inches with a standard deviation of s = 4.15.What is the standard error of  ?

Quizplus · Accepted Answer

The standard error of the mean (SEM) is the standard deviation of the sample mean. It is calculated as s/√n, where s is the sample standard deviation and n is the sample size. Plugging in the given values, we get SEM = 4.15/√25 = 0.83. Therefore, the answer is choice C.

The Heights (In Inches)of Men in the United States Are