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ssume that population mean is to be estimated from the sample described. Use the sample results to approximate the margin of error and95% confidence interval.
ssume that population mean is to be estimated from the sample described. Use the sample results to approximate the margin of error and95% confidence interval.
Samplesize, n=100; samplemean, x=79.0 cm; sample standarddeviation, s=4.0 cm
The margin of error is
0.8
0.8 cm.
(Round to one decimal place asneeded.)
Find the95% confidence interval.
nothing
cm<<
nothing
cm
(Round to one decimal place asneeded.)
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