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 12.6. 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

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 12.6. 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

Quizplus · Accepted Answer

The estimated standard error of the mean can be calculated using the formula: standard deviation / square root of sample size. Therefore, estimated standard error of the mean = 15.1 / √120 = 1.38 grams.

120 Field Mice Are Weighed