Hi

15 bags of pretzels off the assembly line and weighed their contents. 

If the sample mean is 10.0 and the sample standard deviation is 0.15

find the 95% confidence interval estimate for the true mean weight of bags 

ME =  = .08

10 - .08 <  < 10 + .08

9.92 <  < 10.08



t - test table

DF	Probability, p	

	0.1	0.05	0.01	0.001		

14	1.76		2.98	4.14

 

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