Question: Find the 99% and 95% CIs for each of the following samples:

a. \(\bar{X}\) = 15, N= 17, s=5

b. \(\sum{X}\) = 240, N = 40 s x = 16

c. N= 170, \(\sum{X}\) = 1,445, \(\sum{{{X}^{2}}}\) = 12, 343.25