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con 84-8.7 Homework Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. An article in the ASCE Journal of Energy Engineering ("Overview of Reservoir Release Improvements at 20 TVA Dams," Vol. 125, April 1999, pp. 1-17) presents data on dissolved oxygen concentration from streams below 20 dams in the Tennessee Valley Authority system. The sample mean from the observations is = 3.285 and the sample standard deviation is s = 2.126. Assume population is approximately normally distributed. Round your answers to 2 decimal places. (a) Calculate the 95% two-sided confidence interval on the mean oxygen concentration. i 2.52 ΣΗΣ i 4.05 (b) Calculate the 95% two-sided prediction interval on the dissolved oxygen concentration for the next stream that will be tested. i -0.98 i 7.55 (c) Find an interval that will contain 95% of the values of the dissolved oxygen concentration with 99% confidence. i -2.20 8.77 ) SUPPORT Statistical Tables and Charts G

con 84-8.7 Homework Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. An article in the ASCE Journal of Energy Engineering ("Overview of Reservoir Release Improvements at 20 TVA Dams," Vol. 125, April 1999, pp. 1-17) presents data on dissolved oxygen concentration from streams below 20 dams in the Tennessee Valley Authority system. The sample mean from the observations is = 3.285 and the sample standard deviation is s = 2.126. Assume population is approximately normally distributed. Round your answers to 2 decimal places. (a) Calculate the 95% two-sided confidence interval on the mean oxygen concentration. i 2.52 ΣΗΣ i 4.05 (b) Calculate the 95% two-sided prediction interval on the dissolved oxygen concentration for the next stream that will be tested. i -0.98 i 7.55 (c) Find an interval that will contain 95% of the values of the dissolved oxygen concentration with 99% confidence. i -2.20 8.77 ) SUPPORT Statistical Tables and Charts G

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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con 84-8.7 Homework Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. An article in the ASCE Journal of Energy Engineering ("Overview of Reservoir Release Improvements at 20 TVA Dams," Vol. 125, April 1999, pp. 1-17) presents data on dissolved oxygen concentration from streams below 20 dams in the Tennessee Valley Authority system. The sample mean from the observations is = 3.285 and the sample standard deviation is s = 2.126. Assume population is approximately normally distributed. Round your answers to 2 decimal places. (a) Calculate the 95% two-sided confidence interval on the mean oxygen concentration. i 2.52 ΣΗΣ i 4.05 (b) Calculate the 95% two-sided prediction interval on the dissolved oxygen concentration for the next stream that will be tested. i -0.98 i 7.55 (c) Find an interval that will contain 95% of the values of the dissolved oxygen concentration with 99% confidence. i -2.20 8.77 ) SUPPORT Statistical Tables and Charts G
Transcribed Image Text:con 84-8.7 Homework Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. An article in the ASCE Journal of Energy Engineering ("Overview of Reservoir Release Improvements at 20 TVA Dams," Vol. 125, April 1999, pp. 1-17) presents data on dissolved oxygen concentration from streams below 20 dams in the Tennessee Valley Authority system. The sample mean from the observations is = 3.285 and the sample standard deviation is s = 2.126. Assume population is approximately normally distributed. Round your answers to 2 decimal places. (a) Calculate the 95% two-sided confidence interval on the mean oxygen concentration. i 2.52 ΣΗΣ i 4.05 (b) Calculate the 95% two-sided prediction interval on the dissolved oxygen concentration for the next stream that will be tested. i -0.98 i 7.55 (c) Find an interval that will contain 95% of the values of the dissolved oxygen concentration with 99% confidence. i -2.20 8.77 ) SUPPORT Statistical Tables and Charts G
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