The Mean Weight of Newborn Infants at a Community Hospital

question 45

Multiple Choice

The mean weight of newborn infants at a community hospital 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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