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An automobile manufacturer claims that their van has a 39 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the MPG for this van. After testing 14 vans they found a mean MPG of 38.8 with a standard deviation of 2.2 MPG. Is there sufficient evidence at the 0.1 level that the vans have an incorrect manufacturer's MPG rating? State the null and alternative hypotheses or the above scenario. Answer Ho: Ha Tables Keypad Keyboard Shortcuts

An automobile manufacturer claims that their van has a 39 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the MPG for this van. After testing 14 vans they found a mean MPG of 38.8 with a standard deviation of 2.2 MPG. Is there sufficient evidence at the 0.1 level that the vans have an incorrect manufacturer's MPG rating? State the null and alternative hypotheses or the above scenario. Answer Ho: Ha Tables Keypad Keyboard Shortcuts

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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An automobile
An automobile manufacturer claims that their van has a 39 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the MPG for this van. After testing 14 vans they found a mean MPG of 38.8 with a standard deviation of 2.2 MPG. Is there sufficient evidence at the 0.1 level that the vans have an incorrect manufacturer's MPG rating? State the null and alternative hypotheses or the above scenario. Answer Ho Ha Tables Keypad Keyboard Shortcuts
Transcribed Image Text:An automobile manufacturer claims that their van has a 39 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the MPG for this van. After testing 14 vans they found a mean MPG of 38.8 with a standard deviation of 2.2 MPG. Is there sufficient evidence at the 0.1 level that the vans have an incorrect manufacturer's MPG rating? State the null and alternative hypotheses or the above scenario. Answer Ho Ha Tables Keypad Keyboard Shortcuts
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