Mathematics, 02.10.2019 20:10 vicky10445
Given values: 54, 65, 76, 43, 45, 76, 87 12, 23, 34, 67,65, 78, 45, 34. given 95% confidence and sigma (population standard deviation) (12) compute the confidence interval. round to one decimal place.
(a) (47.5, 59.7)
(b) (12, 87)
(c) (48.5, 58.7)
(d) none of the above.
Answers: 3
are data points, 
is the mean and n is the number of observations. 
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Given values: 54, 65, 76, 43, 45, 76, 87 12, 23, 34, 67,65, 78, 45, 34. given 95% confidence and si...
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