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 95% confidence interval for the average weight of a field mouse? (z = 1.96)
A)222 to 228 grams
B)217 to 223 grams
C)221 to 229 grams
D)240 to 245 grams
E)None of the above are correct.

Question

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The Answer of 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 95% confidence interval for the average weight of a field mouse? (z = 1.96)
A)222 to 228 grams
B)217 to 223 grams
C)221 to 229 grams
D)240 to 245 grams
E)None of the above are correct.