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November 26, 2014

Search: Biostats

Number of results: 5

Biostats
What statistical methods a researcher can use to determine if weights of the children in pounds are normally distributed or not?
December 4, 2012 by Mary

Biostats
If the average (xbar) on an assignment in a class was 82% with a standard deviation (s) of 4.8, what is the z-score for someone scoring 75% (round to the one hundredths place or two decimal places)?
February 3, 2013 by brittany

Biostats
What statistical method(s) a researcher can use to determine if the mean body mass index of the population is the same for three groups of subjects (group i=diet restriction; group 2=exercise; group 3=none).
December 4, 2012 by Mary

BioStats
An observational study is conducted to investigate the association between age and total serum cholesterol. The correlation is estimated at r = 0.35. The study involves n=125 participants and the mean (std dev) age is 44.3 (10.0) years with an age range of 35 to 55 years, and ...
July 5, 2013 by Simone

Biostats
I am having problems in this course with following the professor. Can anyone help me with this problem Thanks need to calculate 99% CI for true mean with the following data: n=100, mean is 126 with sample variance of 402. I have to know the answer, theorems and interpret tne ...
June 7, 2007 by Grace

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