Provide an appropriate response.
-Suppose a population has a mean weight of 180 pounds and a standard deviation of 25 pounds. A sample of 100 items is drawn from this population. What is the standard error of the mean?
A) $2.5$
B) $1.8$
C) $18.0$
D) $0.25$

Question

Quizplus · Accepted Answer

The standard error of the mean is calculated as the population standard deviation divided by the square root of the sample size. Here, it is $25 / \sqrt{100} = 25 / 10 = 2.5$.

Provide an Appropriate Response 2.52.52.5 B) 1.81.81.8 C) 18.018.018.0 D) 0.250.250.25

Provide an Appropriate Response $2.5$ B) $1.8$ C) $18.0$ D) $0.25$