Minority Models - Negative stereotypical depiction of minorities or their exclusion from advertisements in mainstream media has been found to have harmful social effects. Researchers are interested in answering the following question: Is the proportion of magazine advertisements portraying each racial group different from its proportion of the U.S. population? The observed data in the table below is consistent with data collected from an analysis of magazine advertisements from 1993 and 1994. The table summarizes the frequency of the appearance of models in a total of 1527 advertisements. The population distribution values were taken from the 1990 census data. African Asian Hispanic White Americans Americans Americans Americans 1990 Census data (%) 12.1% 3.3% 9.0% 75.6% Observed Data 151 74 80 1222 Round all calculated values to 4 decimal places where appropriate. 1. Select the phrases to complete the null and alternative hypotheses for this research situation. Họ: The proportion of magazine advertisements portraying each racial group is the same as v its proportion of the U.S. population. HA: The proportion of magazine advertisements portraying each racial group is different from v its proportion of the U.S. population. 2. What type of test should the researchers use? OA. t-test for a sample mean OB. t-test for the slope of the regression line OC. x² goodness of fit test OD. x? test of independence OE. Z-test for one population proportion 3. Which of the following conditions must be met for the hypothesis test to be valid? Select all that apply. OA. There must be at least 10 "success" and 10 "failure" observations. OB. There must be an expected count of at least 5 for each level of the categorical variable. OC. Each case in the table must be independent of all other cases. OD. There must be at least 3 levels of the categorical variable. OE. The sample size must be at least 30 or the population data must be normally distributed.
Minority Models - Negative stereotypical depiction of minorities or their exclusion from advertisements in mainstream media has been found to have harmful social effects. Researchers are interested in answering the following question: Is the proportion of magazine advertisements portraying each racial group different from its proportion of the U.S. population? The observed data in the table below is consistent with data collected from an analysis of magazine advertisements from 1993 and 1994. The table summarizes the frequency of the appearance of models in a total of 1527 advertisements. The population distribution values were taken from the 1990 census data. African Asian Hispanic White Americans Americans Americans Americans 1990 Census data (%) 12.1% 3.3% 9.0% 75.6% Observed Data 151 74 80 1222 Round all calculated values to 4 decimal places where appropriate. 1. Select the phrases to complete the null and alternative hypotheses for this research situation. Họ: The proportion of magazine advertisements portraying each racial group is the same as v its proportion of the U.S. population. HA: The proportion of magazine advertisements portraying each racial group is different from v its proportion of the U.S. population. 2. What type of test should the researchers use? OA. t-test for a sample mean OB. t-test for the slope of the regression line OC. x² goodness of fit test OD. x? test of independence OE. Z-test for one population proportion 3. Which of the following conditions must be met for the hypothesis test to be valid? Select all that apply. OA. There must be at least 10 "success" and 10 "failure" observations. OB. There must be an expected count of at least 5 for each level of the categorical variable. OC. Each case in the table must be independent of all other cases. OD. There must be at least 3 levels of the categorical variable. OE. The sample size must be at least 30 or the population data must be normally distributed.
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
I need help with 3 and 9
![9. The results of this test indicate that we have v Little
evidence against the null hypothesis.
Some
Strong
Help Entering Answers
Very Strong
Dtrom](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9896e9f0-21a4-41f5-9cfe-a9d2b9678883%2F0b415d49-ad03-4232-b645-56a091c830b3%2Funab8w_processed.png&w=3840&q=75)
Transcribed Image Text:9. The results of this test indicate that we have v Little
evidence against the null hypothesis.
Some
Strong
Help Entering Answers
Very Strong
Dtrom
![poinis)
Minority Models - Negative stereotypical depiction of minorities or their exclusion from advertisements in mainstream media has been found to have
harmful social effects. Researchers are interested in answering the following question:
Is the proportion of magazine advertisements portraying each racial group different from its proportion of the U.S. population?
The observed data in the table below is consistent with data collected from an analysis of magazine advertisements from 1993 and 1994. The table
summarizes the frequency of the appearance of models in a total of 1527 advertisements.
The population distribution values were taken from the 1990 census data.
African
Asian
Hispanic
White
Americans
Americans
Americans
Americans
1990 Census data (%)
12.1%
3.3%
9.0%
75.6%
Observed Data
151
74
80
1222
Round all calculated values to 4 decimal places where appropriate.
1. Select the phrases to complete the null and alternative hypotheses for this research situation.
Ho: The proportion of magazine advertisements portraying each racial group is the same as
v its proportion of the U.S. population.
The proportion of magazine advertisements portraying each racial group is different from v its proportion of the U.S. population.
HA:
2. What type of test should the researchers use?
A. t-test for a sample mean
B. t-test for the slope of the regression line
.2
C. x goodness of fit test
O D. x2 test of independence
O E. Z-test for one population proportion
3. Which of the following conditions must be met for the hypothesis test to be valid? Select all that apply.
A. There must be at least 10 "success" and 10 "failure" observations.
B. There must be an expected count of at least 5 for each level of the categorical variable.
C. Each case in the table must be independent of all other cases.
D. There must be at least 3 levels of the categorical variable.
E. The sample size must be at least 30 or the population data must be normally distributed.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9896e9f0-21a4-41f5-9cfe-a9d2b9678883%2F0b415d49-ad03-4232-b645-56a091c830b3%2Fj4k8c9_processed.png&w=3840&q=75)
Transcribed Image Text:poinis)
Minority Models - Negative stereotypical depiction of minorities or their exclusion from advertisements in mainstream media has been found to have
harmful social effects. Researchers are interested in answering the following question:
Is the proportion of magazine advertisements portraying each racial group different from its proportion of the U.S. population?
The observed data in the table below is consistent with data collected from an analysis of magazine advertisements from 1993 and 1994. The table
summarizes the frequency of the appearance of models in a total of 1527 advertisements.
The population distribution values were taken from the 1990 census data.
African
Asian
Hispanic
White
Americans
Americans
Americans
Americans
1990 Census data (%)
12.1%
3.3%
9.0%
75.6%
Observed Data
151
74
80
1222
Round all calculated values to 4 decimal places where appropriate.
1. Select the phrases to complete the null and alternative hypotheses for this research situation.
Ho: The proportion of magazine advertisements portraying each racial group is the same as
v its proportion of the U.S. population.
The proportion of magazine advertisements portraying each racial group is different from v its proportion of the U.S. population.
HA:
2. What type of test should the researchers use?
A. t-test for a sample mean
B. t-test for the slope of the regression line
.2
C. x goodness of fit test
O D. x2 test of independence
O E. Z-test for one population proportion
3. Which of the following conditions must be met for the hypothesis test to be valid? Select all that apply.
A. There must be at least 10 "success" and 10 "failure" observations.
B. There must be an expected count of at least 5 for each level of the categorical variable.
C. Each case in the table must be independent of all other cases.
D. There must be at least 3 levels of the categorical variable.
E. The sample size must be at least 30 or the population data must be normally distributed.
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 5 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
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.Recommended textbooks for you
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
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](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
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…](https://www.bartleby.com/isbn_cover_images/9780134683416/9780134683416_smallCoverImage.gif)
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
![The Basic Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319042578/9781319042578_smallCoverImage.gif)
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](https://www.bartleby.com/isbn_cover_images/9781319013387/9781319013387_smallCoverImage.gif)
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman