The article "Extravisual Damage Detection? Defining the Standard normal Tree" (Photogrammetric Engrg. Remote Sensing, 1981: 515-522) discusses the use of color infrared photography in identification of normal trees in Douglas fir stands. Among data reported were summary statistics for green-filter analytic optimal densitometric measurement on samples of both healthy and diseased trees. For a sample of 69 healty trees, the sample mean dye-layer density was 1.028, and the sample standard deviation was .163. Calculate a 95% confidence interval for the true average dye-layer density for all such trees.
The article "Extravisual Damage Detection? Defining the Standard normal Tree" (Photogrammetric Engrg. Remote Sensing, 1981: 515-522) discusses the use of color infrared photography in identification of normal trees in Douglas fir stands. Among data reported were summary statistics for green-filter analytic optimal densitometric measurement on samples of both healthy and diseased trees. For a sample of 69 healty trees, the sample mean dye-layer density was 1.028, and the sample standard deviation was .163. Calculate a 95% confidence interval for the true average dye-layer density for all such trees.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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- The article “Extravisual Damage Detection? Defining the Standard Normal Tree” (Photogrammetric Engr. and Remote Sensing, 1981: 515–522) discusses the use of color infrared photography in identification of normal trees in Douglas fir stands. For a sample of 69 healthy trees, the sample
mean dye-layer density was 1.028, and the sample standard deviation was .163. - Calculate a 95% two-sided CI for the true average dye-layer density for all such trees.
Suppose the investigators had made a rough guess of .16 for the value of s before collecting data. What
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