Saturday

November 22, 2014

November 22, 2014

Posted by **natasha** on Monday, November 7, 2011 at 10:00am.

185 225 240 196 175 180 194 147 223

Generate a 95% confidence interval for the true mean total cholesterol leels in children.

- biostatistics -
**PsyDAG**, Monday, November 7, 2011 at 10:03am95% confidence interval = mean ± 1.96 SEm

SEm = SD/√n

Find the mean first = sum of scores/number of scores

Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance.

Standard deviation = square root of variance

I'll let you do the calculations.

**Answer this Question**

**Related Questions**

BioStats - An observational study is conducted to investigate the association ...

biostatistics - 8. The following data were collected in a clinical trial to ...

biostatistics - 7. Consider again the data in problem #6. Suppose that in the ...

statistics - 9) A 95% confidence interval for the true mean cholesterol of adult...

statistics - Experts consider high serum cholesterol levels to be associated ...

Statistics - The serum cholesterol levels in men aged 18 to 24 are normally ...

statistics - Suppose that in the aerobic exercise group we also measured the ...

statistics - The cholesterol levels of young women aged 20 to 34 vary ...

Biochem - 1 ml of whole blood is collected and centrifuged to obtain a plasma ...

Biochem - 1 ml of whole blood is collected and centrifuged to obtain a plasma ...