Step A study of s84 longuear pine trees in me Wade Tract in Thomas County, Georg

Question

Step A study of s84 longuear pine trees in me Wade Tract in Thomas County, Georgb, is described in Example 6.1.For each tree in the tract, the researchers measured the diameter at breast height (DBH) This is the Here are the diameters of a random sample of 40 of these trees: 9.2 20. 76 405 318 11 A 515 49 39.7 32 e 5LR 2.3 446 N15 40.3 223 413 37.5 20.1 270 summary describing the meaning of the confidence interval The meaning asw m is the following The 95% conndenoe interval contains 9ss, or onglear pine trees in the wade Tract in Thomas County, Georgia. The probabinty that the true mean is greater than is os. The true mean of the studied population is between R-m and m with a probability of 0.95 The probabiaty that the interval misses the true mean is 0.2s.

Explanation / Answer

Correct Answer: Option (C) The true mean of the studies population is between mean - ME and mean + Mean + Me with proability of 0.95.

One-Sample T: Data

Variable N Mean StDev SE Mean   
Data 40 26.79 17.74 2.81

Margin of error, E = 5.674996

95% Confident the population mean is within the range: 21.115 < mean <32.465

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