In a sample of 19, and x¯= 81, with a standard deviation of s = 7, the standard error of the sample mean is
A) 0.684
B) 1.606
C) 1.725
D) 2.717

Question

Quizplus · Accepted Answer

The standard error of the sample mean is calculated using the formula SE = s / √n, where s is the standard deviation of the sample and n is the sample size. Plugging in the given values, SE = 7 / √19 ≈ 1.606.

In a Sample of 19, and X¯= 81, with a Standard