construct the confidence interval for the population

Statistics
Tutor: None Selected Time limit: 1 Day

Apr 8th, 2015

given mean(x)=16.5

standard deviation(s)=7

population(n)=35

Z statistic value for 90% confidence limits is 1.645

lower limit= x-s*Z/(n)^0.5

=16.5-7*1.645/(35)^0.5=16.5-1.9463=14.553

upper limit= x+s*Z/(n)^0.5

=16.5+1.9463=18.4463



Apr 8th, 2015

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