SOLUTION: The following data represents the number of points scored by players on a high school basketball team this season. Player 1 68 Player 6 128 Player 2 82 Player 7 66 Player 3

Question 899879: The following data represents the number of points scored by players on a high school basketball team this season.
Player 1 68 Player 6 128
Player 2 82 Player 7 66
Player 3 145 Player 8 54
Player 4 111 Player 9 221
Player 5 97 Player 10 99
a. Find the sample mean and the sample standard deviation.
b. Construct a 90% confidence interval for the population mean and interpret the results. Assume the population of the data set is normally distributed.

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi

a. Find the sample mean = 107.1 and the sample standard deviation= 49.1

ME = 1.645(49.1/sqrt(10))

b.  CI: = 107.1 - ME <  < 107.1 + ME



 = C	z = 1.28155

90%	z =1.645 ****

92%	z = 1.751

95%	z = 1.96

98%	z = 2.326

99%	z = 2.576

 

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