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9.CONFIDENCE INTERVALS ( is Unknown) The weights (lbs) of seven wide receivers in the NFL is taken.The results are shown below 209217192223194205209 a)Find the sample

9.CONFIDENCE INTERVALS ( is Unknown)

The weights (lbs) of seven wide receivers in the NFL is taken.The results

are shown below

209217192223194205209

a)Find the sample mean and standard deviation for this data.

b)Construct a 98% confidence interval for the population mean

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