worksheet chapter 30 answers

docx

School

Worcester State University *

*We aren’t endorsed by this school

Course

MISC

Subject

Statistics

Date

Feb 20, 2024

Type

docx

Pages

Uploaded by ashegibs16

Research Seminar CHAPTER 30 1) Which are more powerful, parametric or nonparametric tests of significance? Parametric tests 2) If you have an interval or ratio variable and your data is normally distributed, what kind of test can you use? a. Parametric test b. Nonparametric test 3) When comparing before and after estimates in the same individual using an interval or ratio variable, what test should you use? a. matched-pairs t-test (also called dependent-samples t-test) b. independent-samples t-test c. ANOVA d. Chi-square 4) What could ‘rejecting the null hypothesis’ mean? (mark all that apply) a. The results are statistically significant b. The results are not statistically significant c. A new drug is more effective than placebo d. Before and after measurements are different e. A new drug is not more effective than placebo 5) For which of the following would you reject the null hypothesis? (circle the appropriate one/ones) and justify your choice. Assuming that α = 0.05 P=0.03 P=0.7 P=0.06 P=0.005 P=0.045

P=0.055 P=0.0001 6) How would you interpret the data showed in the table below when it comes to any differences in characteristics between men and women, based on the p-values presented? (mark all that apply) a. The men were older than the women and the difference was statistically significant. b. The men smoked more than the women and the difference was statistically significant. c. There was no statistically significant difference for men and women when it comes to age. d. There was no statistically significant difference for men and women when it comes to smoking. 7) Write out the null (H 0 ) and alternative hypothesis (H a )for the study: Would a peer counseling intervention improve glycemic control (measured by blood glucose) among Latinos adults with type 2 diabetes compared to those receiving the standard of care? Ho : Peer counseling will not improve glycemic control compared to standard of care in …. HA: Peer counseling will change glycemic control compared to standard of care in…

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

Related Documents

EDCO735 Week 4 Quiz 2.docx

Week 8 DB.docx

Week 7 DB.docx

Brennan Ross Problem Set 2.xlsx

MEMORANDUM DRAFT (1).docx

Brennan Ross Problem Set 1.xlsx

hw5.pdf

Practice Assignment 7 Report.docx

Last Class.pdf

(sol)16. Ten-Minute Paper_Shift (3).docx

Mission 1.docx

Mission 2 - Consumer Psychology - Final (1).docx

Recommended textbooks for you

Glencoe Algebra 1, Student Edition, 9780079039897...

Algebra

ISBN:9780079039897

Author:Carter

Publisher:McGraw Hill

Big Ideas Math A Bridge To Success Algebra 1: Stu...

Algebra

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:Houghton Mifflin Harcourt

Algebra and Trigonometry (MindTap Course List)

Algebra

ISBN:9781305071742

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:Cengage Learning

College Algebra

Algebra

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:Cengage Learning

Holt Mcdougal Larson Pre-algebra: Student Edition...

Algebra

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

SEE MORE TEXTBOOKS

Recommended textbooks for you

Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill
Big Ideas Math A Bridge To Success Algebra 1: Stu...
Algebra
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:Houghton Mifflin Harcourt
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:Cengage Learning
College Algebra
Algebra
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL