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An industrial plant claims to discharge no more than 1000 gallons of wastewater per hour, on the average, into a neighboring lake. An environmental action group decides to monitor the plant, in case this limit is being exceeded. A random sample of four hours is selected over a period of a week. The observations are 1625, 2045, 2332, 2096. a. Find the standard error. se = 147.11 (Round to two decimal places as needed.) b. To test Ho: μ = 1000 vs. Hu>1000, find the test statistic. Use the answer from part (a) for the standard error. t= (Round to two decimal places as needed.)

An industrial plant claims to discharge no more than 1000 gallons of wastewater per hour, on the average, into a neighboring lake. An environmental action group decides to monitor the plant, in case this limit is being exceeded. A random sample of four hours is selected over a period of a week. The observations are 1625, 2045, 2332, 2096. a. Find the standard error. se = 147.11 (Round to two decimal places as needed.) b. To test Ho: μ = 1000 vs. Hu>1000, find the test statistic. Use the answer from part (a) for the standard error. t= (Round to two decimal places as needed.)

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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i got 10.12 as an answer is this the correct answer for question B?

 

An industrial plant claims to discharge no more than 1000 gallons of wastewater per hour, on the average, into a neighboring lake. An environmental action group decides to monitor the plant, in case this limit is being exceeded. A random sample of four hours is selected over a period of a week. The observations are 1625, 2045, 2332, 2096. a. Find the standard error. se = 147.11 (Round to two decimal places as needed.) b. To test Ho: μ = 1000 vs. H₂: > 1000, find the test statistic. Use the answer from part (a) for the standard error. t= (Round to two decimal places as needed.)
Transcribed Image Text:An industrial plant claims to discharge no more than 1000 gallons of wastewater per hour, on the average, into a neighboring lake. An environmental action group decides to monitor the plant, in case this limit is being exceeded. A random sample of four hours is selected over a period of a week. The observations are 1625, 2045, 2332, 2096. a. Find the standard error. se = 147.11 (Round to two decimal places as needed.) b. To test Ho: μ = 1000 vs. H₂: > 1000, find the test statistic. Use the answer from part (a) for the standard error. t= (Round to two decimal places as needed.)
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