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Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. Cloud seeding has been studied for many decades as a weather modification procedure (for an interesting study of this subject, see the article in Technometrics, "A Bayesian Analysis of a Multiplicative Treatment Effect in Weather Modification", Vol. 17, pp. 161-166). The rainfall in acre-feet from 20 clouds that were selected at random and seeded with silver nitrate follows: 17.0, 29.7, 18.8, 26.1, 21.3, 17.8, 30.8, 22.4, 20.2, 26.9, 30.9, 26.1, 24.0, 23.7, 25.9. 20.8, 28.2, 33.8, 25.7, 30.6 (a) Can you support a claim that mean rainfall from seeded clouds exceeds 24.0 acre-feet? Use a = 0.01. There is V evidence to indicate that the true mean rainfall is greater than 24.0 acre-feet at a = 0.01. (b) Compute the power of the test if the true mean rainfall is 26.0 acre-feet. i Round your answer to one decimal place (e.g. 98.7). (c) What sample size would be required to detect a true mean rainfall of 26.5 acre-feet if we wanted the power of the test to be at least 0.9? nz Round your answer to the nearest integer.

Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. Cloud seeding has been studied for many decades as a weather modification procedure (for an interesting study of this subject, see the article in Technometrics, "A Bayesian Analysis of a Multiplicative Treatment Effect in Weather Modification", Vol. 17, pp. 161-166). The rainfall in acre-feet from 20 clouds that were selected at random and seeded with silver nitrate follows: 17.0, 29.7, 18.8, 26.1, 21.3, 17.8, 30.8, 22.4, 20.2, 26.9, 30.9, 26.1, 24.0, 23.7, 25.9. 20.8, 28.2, 33.8, 25.7, 30.6 (a) Can you support a claim that mean rainfall from seeded clouds exceeds 24.0 acre-feet? Use a = 0.01. There is V evidence to indicate that the true mean rainfall is greater than 24.0 acre-feet at a = 0.01. (b) Compute the power of the test if the true mean rainfall is 26.0 acre-feet. i Round your answer to one decimal place (e.g. 98.7). (c) What sample size would be required to detect a true mean rainfall of 26.5 acre-feet if we wanted the power of the test to be at least 0.9? nz Round your answer to the nearest integer.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. Cloud seeding has been studied for many decades as a weather modification procedure (for an interesting study of this subject, see the article in Technometrics, "A Bayesian Analysis of a Multiplicative Treatment Effect in Weather Modification", Vol. 17, pp. 161-166). The rainfall in acre-feet from 20 clouds that were selected at random and seeded with silver nitrate follows: 17.0, 29.7, 18.8, 26.1, 21.3, 17.8, 30.8, 22.4, 20.2, 26.9. 30.9, 26.1, 24.0, 23.7, 25.9. 20.8, 28.2, 33.8, 25.7, 30.6 (a) Can you support a claim that mean rainfall from seeded clouds exceeds 24.0 acre-feet? Use a = 0.01. There is V evidence to indicate that the true mean rainfall is greater than 24.0 acre-feet at a = 0.01. (b) Compute the power of the test if the true mean rainfall is 26.0 acre-feet. i Round your answer to one decimal place (e.g. 98.7). (c) What sample size would be required to detect a true mean rainfall of 26.5 acre-feet if we wanted the power of the test to be at least 0.9? nz i Round your answer to the nearest integer.
Transcribed Image Text:Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. Cloud seeding has been studied for many decades as a weather modification procedure (for an interesting study of this subject, see the article in Technometrics, "A Bayesian Analysis of a Multiplicative Treatment Effect in Weather Modification", Vol. 17, pp. 161-166). The rainfall in acre-feet from 20 clouds that were selected at random and seeded with silver nitrate follows: 17.0, 29.7, 18.8, 26.1, 21.3, 17.8, 30.8, 22.4, 20.2, 26.9. 30.9, 26.1, 24.0, 23.7, 25.9. 20.8, 28.2, 33.8, 25.7, 30.6 (a) Can you support a claim that mean rainfall from seeded clouds exceeds 24.0 acre-feet? Use a = 0.01. There is V evidence to indicate that the true mean rainfall is greater than 24.0 acre-feet at a = 0.01. (b) Compute the power of the test if the true mean rainfall is 26.0 acre-feet. i Round your answer to one decimal place (e.g. 98.7). (c) What sample size would be required to detect a true mean rainfall of 26.5 acre-feet if we wanted the power of the test to be at least 0.9? nz i Round your answer to the nearest integer.
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