Students of two sections of a history course took a common final examination.The course instructor examines the variance in scores between the two sections.He selects random samples of n1 = 11 and n2 = 16 with sample variances of ![Students of two sections of a history course took a common final examination.The course instructor examines the variance in scores between the two sections.He selects random samples of n<sub>1</sub> = 11 and n<sub>2</sub> = 16 with sample variances of and ,respectively.Assuming that the population distributions are normal,construct a 90% confidence interval for the ratio of the population variance. A) [0.90,2.41] B) [0.50,2.00] C) [0.25,4.00] D) [0.79,5.70]](https://d2lvgg3v3hfg70.cloudfront.net/TB4266/11eab0ce_30ec_5eae_a083_b98fb9547c00_TB4266_11.jpg)
and ![Students of two sections of a history course took a common final examination.The course instructor examines the variance in scores between the two sections.He selects random samples of n<sub>1</sub> = 11 and n<sub>2</sub> = 16 with sample variances of and ,respectively.Assuming that the population distributions are normal,construct a 90% confidence interval for the ratio of the population variance. A) [0.90,2.41] B) [0.50,2.00] C) [0.25,4.00] D) [0.79,5.70]](https://d2lvgg3v3hfg70.cloudfront.net/TB4266/11eab0ce_30ec_85bf_a083_616ce7cb6612_TB4266_11.jpg)
,respectively.Assuming that the population distributions are normal,construct a 90% confidence interval for the ratio of the population variance.
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