1 answer

Boxes of cereal are labeled as containing 14 ounces. Find the 95% confidence interval for population...

Question:

Boxes of cereal are labeled as containing 14 ounces. Find the 95% confidence interval for population variance of the weight in boxes if a sample of 12 boxes has a standard deviation of .06 oz.   

(please show work of calculation)


Answers

PAGE NO DATE: 14 > n = 12 sid= 0.06 &² 8 Sample UCCEEEEEEE -0.0036 veriance - We want 95% Confindence Variance (0) which is i4 2 3 11x00036 21.92 1 X 0.0036 3.8157 s 02 < 10.039.6 21.92 0.0396 3.8157 I o .0018 262 2:0.0104 Hence, 95% CI for Pop Varia

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