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2 Questions returned
No. & Date AskedQuestion
# 677 :: 4/17/09
Question 677 has been Answered
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 . . .

Chi-Square, Standard Deviation, Population Standard Deviation, sample variance, sampe standard deviation

# 540 :: 12/9/08
Question 540 has been Answered
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. . .

1-sample t-test, 1-tailed test, Null Hypothesis , calculating mean, sample variance, Standard Deviation