Classify the hypothesis test as two-tailed, left-tailed, or right-tailed. 5) In the past, the mean running time for a certain type of flashlight battery has been 9.3 hours. The manufacturer has introduced a change in the production method and wants to perform a hypothesis test to determine whether the mean running time differs from 8.8. A) Left-tailed B) Two-tailed C) Right-tailed

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Classify the hypothesis test as two-tailed, left-tailed, or right-tailed.
5) In the past, the mean running time for a certain type of flashlight battery has been 9.3 hours. The manufacturer has
introduced a change in the production method and wants to perform a hypothesis test to determine whether the
mean running time differs from 8.8.
A) Left-tailed
B) Two-tailed
C) Right-tailed
Transcribed Image Text:Classify the hypothesis test as two-tailed, left-tailed, or right-tailed. 5) In the past, the mean running time for a certain type of flashlight battery has been 9.3 hours. The manufacturer has introduced a change in the production method and wants to perform a hypothesis test to determine whether the mean running time differs from 8.8. A) Left-tailed B) Two-tailed C) Right-tailed
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