A Hypothesis Regarding the Weight of Newborn Infants at a Community

question 34

Multiple Choice

A hypothesis regarding the weight of newborn infants at a community hospital is that the mean is 6.6 pounds. A sample of seven infants is randomly selected and their weights at birth are recorded as 9.0,7.3,6.0,8.8,6.8,8.4,and 6.6 pounds. What is the sample variance?

• A)1.177
• B)6.6
• C)1.386
• D)7.6

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