8.3 - z 1.43953147 Answer x-bar Answer N 16588 Lower 23.4...

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Z-Solutions xbar 23.4 CL 0.99 99 CL(number not in %) sd 2.7 Pop SD 1 cl 85 Error 0.02 n 274 alpha 0.01 alpha 0.15 alpha/2 0.005 0.995 tail(alpha/2) 0.075 z -2.5758293 df 273 2.5758293
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Unformatted text preview: z 1.43953147 Answer x-bar Answer N 16588 Lower 23.4 0.23480625 23.1651937533 Upper 23.4 -0.23480625 23.6348062467...
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