120 Field Mice Are Weighed

question 49

Multiple Choice

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 value of the test statistic for the hypothesis that the actual mean weight of the mouse population is greater than 235 grams?

• A) -0.578
• B) -2.79
• C) -0.633
• D) -6.33
• E) -7.25

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