2. Testing a population mean - Reaching a conclusion by the p-value approach You conduct a hypothesis test about a population mean y at a significance level of a = 0.05 using, a sample of Şize n test statistiC, (z). Your test statistic follows a standard normal distribution'when the null hypothesis is true, and its Value'obtained from the sample is z = -2.25. 50. The ponulătion standard deviation o is known, so you use the stăndargized Use the Distributions tool to help you answer the questions that follow. Select a Dist.. Distributions 2 3 If you perform a left-tail test, the p-value is hypothesis in this case, because the p-value is You the null than the significance level. If you perform a two-tail test, the p-value is hypothesis in this case, because the p-value is You the null than the significance level.

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
Topic Video
Question
2. Testing a population mean - Reaching a conclusion by the p-value approach
You conduct a hypothesis test about a population mean u at a significance level of a =,Q.05 using a
sample of Size n'E 50. The populătion standărd deviation o is known, so you use the standardized
is true, ând its Value obtained from'the sampleSra ngrgLai distribution'when thë null hypothesis
Use the Distributions tool to help you answer the questions that follow.
-2.
Select a Dist..
Distributions
0 1
2
3
If you perform a left-tail test, the p-value is
hypothesis in this case, because the p-value is
You
the null
than the significance level.
If you perform a two-tail test, the p-value is
hypothesis in this case, because the p-value is
You
the null
than the significance level.
Transcribed Image Text:2. Testing a population mean - Reaching a conclusion by the p-value approach You conduct a hypothesis test about a population mean u at a significance level of a =,Q.05 using a sample of Size n'E 50. The populătion standărd deviation o is known, so you use the standardized is true, ând its Value obtained from'the sampleSra ngrgLai distribution'when thë null hypothesis Use the Distributions tool to help you answer the questions that follow. -2. Select a Dist.. Distributions 0 1 2 3 If you perform a left-tail test, the p-value is hypothesis in this case, because the p-value is You the null than the significance level. If you perform a two-tail test, the p-value is hypothesis in this case, because the p-value is You the null than the significance level.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
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