Question: Please help me solve. A random sample of 48 10 year olds attending a community health fair were placed on a scale and had their

Please help me solve.

A random sample of 48 10 year olds attending a community health fair were placed on a scale and had their weight (in pounds) recorded. A stemandleaf plot constructed from this data appears below. 6245688 TOU1145?79 8122234557999 9234455668 1013357 113568 12459 Does this sample provide sufficient evidence to indicate that the mean weight for 10 year olds attending this community health fair equals 90.9 pounds (which is the mean weight for 10 years olds nationwide according to the National Center for Health Statistics)

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