A doctor wants to estimate the mean hdl cholesterol of all 20- to 29-year-old females. how many subjects are needed to estimate the mean hdl cholesterol within 2 points with 99 % confidence assuming s equals 12.6 based on earlier studies? suppose the doctor would be content with 95 % confidence. how does the decrease in confidence affect the sample size required?
Answers
Answered by
0
yes obcose this is very important
Similar questions