Jump to level 1 A rods manufacturer makes rods with a length that is supposed to be 10 inches. A quality control technician sampled 29 rods and found that the sample mean length was 10.09 inches and the sample standard deviation was 0.22 inches. The technician claims that the mean rod length is less than 10 inches. What type of hypothesis test should be performed? Select Select What is the test statistic? Ex: 0.123 What is the number of degrees of freedom? Ex: 20 Does sufficient evidence exist at the a = 0.01 significance level to support the technician's claim? Select v Check Next Two-tailed z-test Right-tailed t-test Left-tailed t-test Two-tailed t-test 4
Jump to level 1 A rods manufacturer makes rods with a length that is supposed to be 10 inches. A quality control technician sampled 29 rods and found that the sample mean length was 10.09 inches and the sample standard deviation was 0.22 inches. The technician claims that the mean rod length is less than 10 inches. What type of hypothesis test should be performed? Select Select What is the test statistic? Ex: 0.123 What is the number of degrees of freedom? Ex: 20 Does sufficient evidence exist at the a = 0.01 significance level to support the technician's claim? Select v Check Next Two-tailed z-test Right-tailed t-test Left-tailed t-test Two-tailed t-test 4
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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Question
What type of hypothesis test should be performed?
Transcribed Image Text:on Making home > 5.2: Hypothesis test for a population mean
othesis test for a population mean.
te:
Jump to level 1
A rods manufacturer makes rods with a length that is supposed to be 10
inches. A quality control technician sampled 29 rods and found that the sample
mean length was 10.09 inches and the sample standard deviation was 0.22
inches. The technician claims that the mean rod length is less than 10 inches.
What type of hypothesis test should be performed? | Select
Select
What is the test statistic? Ex: 0.123
What is the number of degrees of freedom? Ex: 20
Does sufficient evidence exist at the a = 0.01 significance level to support the
technician's claim?
Select v
Check
t
C
Next
MESA 81101
2
Two-tailed z-test
Right-tailed t-test
Left-tailed t-test
Two-tailed t-test
hp
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