Which of the following is true of confidence intervals in hypothesis tests of the variance of a normal population, where variances are smaller than anticipated?
A) It will always result in a negative value.
B) It will meet anticipated levels.
C) It will be wider than anticipated.
D) It will be narrower than anticipated.
Question 2
Which of the following distributions is used to determine the sampling distribution of the sample variance?
A) normal distribution
B) binomial distribution
C) chi-square distribution
D) Poisson distribution