Determine the sample mean and sample standard deviation based on the confidence interval for the population mean: T-Distribution Table a.n = 13, 90% Confidence Interval: 6.24

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Determine the sample mean and sample standard deviation based on the confidence
interval for the population mean:
T-Distribution Table
a. n =
13, 90% Confidence Interval: 6.24 <µ < 8.72
X =
%3D
Round s to 3 significant digits
b. n = 28, 90% Confidence Interval: 38.04 < u < 48.52
%3D
X =
S =
Round s to 3 significant digits
Transcribed Image Text:Determine the sample mean and sample standard deviation based on the confidence interval for the population mean: T-Distribution Table a. n = 13, 90% Confidence Interval: 6.24 <µ < 8.72 X = %3D Round s to 3 significant digits b. n = 28, 90% Confidence Interval: 38.04 < u < 48.52 %3D X = S = Round s to 3 significant digits
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