# Question

Find the lower confidence limit for the population variance for each of the following normal populations.

a. n = 21; a = 0.05; s2 = 16

b. n = 16; a = 0.05; s = 8

c. n = 28; a = 0.01; s = 15

a. n = 21; a = 0.05; s2 = 16

b. n = 16; a = 0.05; s = 8

c. n = 28; a = 0.01; s = 15

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