A supermarket owners believes that the mean income of its customers is 50,000 per month. One- hundred customers are randomly selected and asked of their monthly income. The sample mean is 48,500 per month and the standard deviation is 3,200. Test the hypothesis using 0.05 as level of significance. HYPOTHESIS TESTING 1. Formulate the null and the alternative Ho: The mean income of the customers of a hypotheses supermarket is 50,000 per month. In symbol: Ho: Ha: In symbol: Ha: 50,000 2. Specify the following: A. Level of Significance A. a = 0.05 B. Types of Hypothesis Testing [one- B. tailed test (left-tailed or right-tailed) or a two-tailed test] 3. Specify the following: A. The test statistic to be used. (z-test: A. Z-TEST: ONE SAMPLE one sample mean or z-test: two sample means) B. The critical or tabular value (Zeritical). (Can be found on the given table of Tabular Value of Z) 4. Compute for the value of the test statistic (Z computed) using the data from the population and the sample/s. (X-H)√√ B. Formula: Z computed Given: μ-50,000 X-48, 500 s-3,200 Substitute the given to the formula:
A supermarket owners believes that the mean income of its customers is 50,000 per month. One- hundred customers are randomly selected and asked of their monthly income. The sample mean is 48,500 per month and the standard deviation is 3,200. Test the hypothesis using 0.05 as level of significance. HYPOTHESIS TESTING 1. Formulate the null and the alternative Ho: The mean income of the customers of a hypotheses supermarket is 50,000 per month. In symbol: Ho: Ha: In symbol: Ha: 50,000 2. Specify the following: A. Level of Significance A. a = 0.05 B. Types of Hypothesis Testing [one- B. tailed test (left-tailed or right-tailed) or a two-tailed test] 3. Specify the following: A. The test statistic to be used. (z-test: A. Z-TEST: ONE SAMPLE one sample mean or z-test: two sample means) B. The critical or tabular value (Zeritical). (Can be found on the given table of Tabular Value of Z) 4. Compute for the value of the test statistic (Z computed) using the data from the population and the sample/s. (X-H)√√ B. Formula: Z computed Given: μ-50,000 X-48, 500 s-3,200 Substitute the given to the formula:
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![Instructions: Complete the table by following the steps and procedures in Hypothesis Testing.
A supermarket owners believes that the mean income of its customers is 50,000 per month. One-
hundred customers are randomly selected and asked of their monthly income. The sample mean is
48,500 per month and the standard deviation is 3,200. Test the hypothesis using 0.05 as level of
significance.
HYPOTHESIS TESTING
1. Formulate the null and the alternative Ho: The mean income of the customers of a
hypotheses
supermarket is 50,000 per month.
In symbol:
Ho:
Ha:
In symbol:
Ha: μ = 50,000
2. Specify the following:
A. Level of Significance
A. a = 0.05
B. Types of Hypothesis Testing [one-B.
tailed test (left-tailed or right-tailed) or
a two-tailed test]
3. Specify the following:
A. The test statistic to be used. (z-test: A. Z-TEST: ONE SAMPLE
one sample mean or z-test: two sample
means)
B.
B. The critical or tabular value
(Zeritical). (Can be found on the given
table of Tabular Value of Z)
Formula:
4. Compute for the value of the test
statistic (Zcomputed) using the data from
the population and the sample/s.
(x-μ)√
Zcomputed =
Given:
μ-50,000
X-48, 500
n-
s-3,200
Substitute the given to the formula:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe481446a-4248-41c0-9133-d71d68957c10%2F17505d78-10f0-4a60-a4ec-5762b4025558%2Fwnf0hlg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Instructions: Complete the table by following the steps and procedures in Hypothesis Testing.
A supermarket owners believes that the mean income of its customers is 50,000 per month. One-
hundred customers are randomly selected and asked of their monthly income. The sample mean is
48,500 per month and the standard deviation is 3,200. Test the hypothesis using 0.05 as level of
significance.
HYPOTHESIS TESTING
1. Formulate the null and the alternative Ho: The mean income of the customers of a
hypotheses
supermarket is 50,000 per month.
In symbol:
Ho:
Ha:
In symbol:
Ha: μ = 50,000
2. Specify the following:
A. Level of Significance
A. a = 0.05
B. Types of Hypothesis Testing [one-B.
tailed test (left-tailed or right-tailed) or
a two-tailed test]
3. Specify the following:
A. The test statistic to be used. (z-test: A. Z-TEST: ONE SAMPLE
one sample mean or z-test: two sample
means)
B.
B. The critical or tabular value
(Zeritical). (Can be found on the given
table of Tabular Value of Z)
Formula:
4. Compute for the value of the test
statistic (Zcomputed) using the data from
the population and the sample/s.
(x-μ)√
Zcomputed =
Given:
μ-50,000
X-48, 500
n-
s-3,200
Substitute the given to the formula:
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images

Similar questions
Recommended textbooks for you

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON

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
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman