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3 Questions returned
No. & Date AskedQuestion
# 899 :: 9/5/11
Question 899 has been Answered
In a study , the average age of the male candidates who were affected , was 38.20 whereas the average age of the female subjects was calculated to 34. . .

Variance, Standard Deviation

# 803 :: 8/28/09
Question 803 has been Answered
In a study, the sum of squared deviations from the mean for the sample is 12 and there are 4 participants. What is the estimated population variance?. . .

Variance

# 470 :: 10/9/08
Question 470 has been Answered
A telescope manufacturer wants its telescopes to have standard deviations in resolution to be significantly below 2 when focusing on objects 500 light. . .

Chi-Square Distribution, Confidence Intervals, Standard Deviation, Variance