A Hypothesis Regarding the Weight of Newborn Infants at a Community

question 28

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 standard deviation?

• A) 1.177
• B) 6.6
• C) 1.385
• D) 7.6

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