Homework Help: Statistics

Posted by Steve on Monday, November 5, 2012 at 5:19pm.

Bone mineral density (BMD) was measured for seven postmenopausal women: 1.7, 1.6, 1.4,1.3, 2.1, 2.3, 1.5 g/cm2. Find a 99% confidence intervar for the mean
BMD.

Statistics - MathGuru, Monday, November 5, 2012 at 6:05pm
Formula:

CI99 = mean ą 2.58(sd/√n)

You will need to calculate the mean and standard deviation of the data given.

Sample size = 7

Substitute values into the formula and calculate the confidence interval.

I'll let you take it from here.

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