GGerardi1733 GGerardi1733

30-11-2022
Mathematics

contestada

A 99% confidence interval for the ratio of two population standard deviations (sigma_1/sigma_2) ranges from 1.06 to 2.22. Based on this confidence interval,
a. We can not make any meaningful statement about the difference between two population standard deviations.
b. We can conclude that sigma_1 is larger than sigma_2.
c. We can not conclude that there is a significant difference between the two population standard deviations. d. We could conclude that the sgima_2 is larger than the sigma_1.

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