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No. & Date Asked  Question 

# 677 :: 4/17/09

A random sample of 51 observations was selected from a normally distributed population. The sample mean was x = 88.6 , and the sample variance was s2 . . .
ChiSquare,
Standard Deviation,
Population Standard Deviation,
sample variance,
sampe standard deviation 
# 540 :: 12/9/08

A sample of 36 observations is selected from a normal population. The sample mean is 21, and the sample standard deviation is 5. Conduct the following. . .
1sample ttest,
1tailed test,
Null Hypothesis ,
calculating mean,
sample variance,
Standard Deviation 