Exhibit 19.6 120 field mice are weighed.The average weight of a mouse is 225 grams and the sample standard deviation is 15.1 grams.
Refer to Exhibit 19.6.What is the estimated standard error of the mean?
A)0.173 grams
B)1.15 grams
C)1.38 grams
D)15.8 grams
E)17.3 grams

Question

Quizplus · Accepted Answer

The estimated standard error of the mean can be calculated using the formula SE = s/√n, where s is the sample standard deviation and n is the sample size. Plugging in the given values, we get SE = 15.1/√120 ≈ 1.38 grams. Therefore, the correct choice is C.