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Consider a dataset of towers in every state which is normally distributed
Consider a dataset of towers in every state which is normally distributed. Consider a sample of 40 towers. The sample data has a mean of 68 with a standard deviation of 15.
How many degrees of freedom we use to find the t-critical statistic value?
Does Not Apply
30
40
39
What is Maximal Margin of Error (E) at 99% confidence?
3.6486
5.769
6.119
Construct a 99% confidence interval.
(17.231, 28.769)
(3281.951, 3718.049)
(131.3514, 138.6486)
(61.881, 74.119)
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