Multiple Choice
A professor applies the variance in scores between two sections that he teaches.The students of each section took the same test.The random samples drawn from the observations yield sample variances of ![A professor applies the variance in scores between two sections that he teaches.The students of each section took the same test.The random samples drawn from the observations yield sample variances of = 203.15 and = 474.42 for samples of n<sub>1</sub> = 13 and n<sub>2</sub> = 16,respectively.Which of the following is a 99% confidence interval for the ratio of the population variances? A) [0.1540,2.7809] B) [0.1008,2.0217] C) [0.1386,3.0895] D) [0.0907,1.8198]](https://d2lvgg3v3hfg70.cloudfront.net/TB4266/11eab0ce_30ef_6c10_a083_3186882dec70_TB4266_11.jpg)
= 203.15 and ![A professor applies the variance in scores between two sections that he teaches.The students of each section took the same test.The random samples drawn from the observations yield sample variances of = 203.15 and = 474.42 for samples of n<sub>1</sub> = 13 and n<sub>2</sub> = 16,respectively.Which of the following is a 99% confidence interval for the ratio of the population variances? A) [0.1540,2.7809] B) [0.1008,2.0217] C) [0.1386,3.0895] D) [0.0907,1.8198]](https://d2lvgg3v3hfg70.cloudfront.net/TB4266/11eab0ce_30ef_6c11_a083_a9e981ba94b8_TB4266_11.jpg)
= 474.42 for samples of n1 = 13 and n2 = 16,respectively.Which of the following is a 99% confidence interval for the ratio of the population variances?
A) [0.1540,2.7809]
B) [0.1008,2.0217]
C) [0.1386,3.0895]
D) [0.0907,1.8198]
Correct Answer:
Verified
Correct Answer:
Verified
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