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Hello can you help me please to know which one is the correct answer please .. thanks A sample of 51 elements is selected to

Hello can you help me please to know which one is the correct answer please .. thanks

A sample of 51 elements is selected to estimate a 95% confidence interval for the variance of the population. The chi-square values to be used for this interval estimation are

a. 34.764 and 67.505 b. 12.8786 and 46.9630 c. -1.96 and 1.96 d. 32.357 and 71.420 e. 14.6565 and 38.764

thanks

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