Homework Help is Here – Start Your Trial Now!
Math
Statistics
Scenario: Gary GradStudent suspects that the average household size may have increased over time as people increasingly struggle to make ends meet. Use the below output from the GSS to test his hypothesis. Group Statistics Std. Error GSS year for this respondent N. Mean Std. Deviation Mean Number of persons in household 1988 1481 2.62 1.406 .037 2018 2348 2.35 1.334 .028 Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of the Difference Mean Difference Std. Error Difference F Si. t df Sig. (2-tailed) Lower Upper Number of persons in household Equal variances assumed 18.408 .000 5.994 3827 .000 .271 .045 .182 .360 Equal variances not assumed 5.923 3022.712 .000 271 .046 .181 361 Question: What are the assumptions for this hypothesis test? (Select all that apply) The dependent variable is quantitative There are two independent random samples. The population distribution(s) have a normal shape. The sample(s) are large (n>30). O The shape of the population distribution(s) is unknown. The sample(s) were not collected at random. There is one random sample. O The dependent variable is categorical O The population distribution(s) have a non-normal shape. O The samplels) are small (n< 30)

Scenario: Gary GradStudent suspects that the average household size may have increased over time as people increasingly struggle to make ends meet. Use the below output from the GSS to test his hypothesis. Group Statistics Std. Error GSS year for this respondent N. Mean Std. Deviation Mean Number of persons in household 1988 1481 2.62 1.406 .037 2018 2348 2.35 1.334 .028 Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of the Difference Mean Difference Std. Error Difference F Si. t df Sig. (2-tailed) Lower Upper Number of persons in household Equal variances assumed 18.408 .000 5.994 3827 .000 .271 .045 .182 .360 Equal variances not assumed 5.923 3022.712 .000 271 .046 .181 361 Question: What are the assumptions for this hypothesis test? (Select all that apply) The dependent variable is quantitative There are two independent random samples. The population distribution(s) have a normal shape. The sample(s) are large (n>30). O The shape of the population distribution(s) is unknown. The sample(s) were not collected at random. There is one random sample. O The dependent variable is categorical O The population distribution(s) have a non-normal shape. O The samplels) are small (n< 30)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question
Scenario: Gary GradStudent suspects that the average household size may have increased over time as people increasingly struggle to make ends meet. Use the below output from the GSS to test his hypothesis. Group Statistics GSS year for this Std. Error Mean respondent Mean Std. Deviation Number of persons in 1988 1481 2,62 1.406 ,037 household 2018 2348 2,35 1.334 .028 Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of the Difference Std. Error Difference Mean F Sig. t df Sig. (2-tailed) Difference Lower Upper Number of persons in Equal variances 18.408 .000 5.994 3827 .000 .271 .045 .182 .360 household assumed Equal variances not assumed 5.923 3022.712 .000 271 .046 .181 .361 Question: What are the assumptions for this hypothesis test? (Select all that apply) The dependent variable is quantitative There are two independent random samples. The population distribution(s) have a normal shape. The sample(s) are large (n>30). The shape of the population distribution(s) is unknown. The sample(s) were not collected at random. There is one random sample. The dependent variable is categorical The population distribution(s) have a non-normal shape. The sample(s) are small (n<30).
Transcribed Image Text:Scenario: Gary GradStudent suspects that the average household size may have increased over time as people increasingly struggle to make ends meet. Use the below output from the GSS to test his hypothesis. Group Statistics GSS year for this Std. Error Mean respondent Mean Std. Deviation Number of persons in 1988 1481 2,62 1.406 ,037 household 2018 2348 2,35 1.334 .028 Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of the Difference Std. Error Difference Mean F Sig. t df Sig. (2-tailed) Difference Lower Upper Number of persons in Equal variances 18.408 .000 5.994 3827 .000 .271 .045 .182 .360 household assumed Equal variances not assumed 5.923 3022.712 .000 271 .046 .181 .361 Question: What are the assumptions for this hypothesis test? (Select all that apply) The dependent variable is quantitative There are two independent random samples. The population distribution(s) have a normal shape. The sample(s) are large (n>30). The shape of the population distribution(s) is unknown. The sample(s) were not collected at random. There is one random sample. The dependent variable is categorical The population distribution(s) have a non-normal shape. The sample(s) are small (n<30).
Expert Solution
steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
  • SEE MORE 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
SEE MORE TEXTBOOKS