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
icon
Related questions
Question

What type of hypothesis test should be performed?

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
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
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman