Explanation Given Info: We are given to use a two-tailed test. That's why alternative hypothesis has ≠ sign. n = 45 x = 31 Formula used: p ^ = x n z = p ^ − p 0 p 0 ( 1 − p 0 ) n Calculation: STEP 1: State the hypotheses. The null hypothesis states that these data indicate no significant difference from what would be expected by chance. In symbols: H 0 : p = 0.5 The alternative hypothesis states that these data indicate significant difference from what would be expected by chance. In symbols: H a : p ≠ 0.5 STEP 2: Locate the critical region. From z table, the critical value of z values for the critical region are z = ± 2.58 at α = 0

10th Edition

ISBN: 9781337367691

Author: GRAVETTER

Publisher: Cengage

See similar textbooks

Concept explainers

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.

Videos

Question

Chapter 18, Problem 24P

To determine

Do these data indicate a significant effect of counseling?

Expert Solution & Answer

Chapter 18 Solutions

Stats For Behav. Science W/mindtap

Ch. 18 - 1. Insurance companies charge young drivers more...Ch. 18 - 2. Güven, Elaimis, Binokay, and Tan (2003) studied...Ch. 18 - In problem 9 in Chapter 17, we described a study...Ch. 18 - 4. Problems 5 and 6 in Chapter 17 cited a study...Ch. 18 - 5. A researcher would like to determine whether...Ch. 18 - 6. A recent survey of practicing psychotherapists...Ch. 18 - 7. In 2005, Fung et al. published a study...Ch. 18 - 8. In problem 13 in Chapter 9, wepresented a study...Ch. 18 - Prob. 9P Ch. 18 - Prob. 10P

Ch. 18 - Prob. 11P Ch. 18 - 12. One of the original methods for testing ESP...Ch. 18 - Prob. 13P Ch. 18 - Prob. 14P Ch. 18 - 15. In Example 11.2 (p. 343) we presented a...Ch. 18 - Stressful or traumatic experiences can often...Ch. 18 - Prob. 17P Ch. 18 - Prob. 18P Ch. 18 - Prob. 19P Ch. 18 - In Problem 14 in Chapter 11, we described a study...Ch. 18 - In problem 13 in Chapter 17, we Discussed a study...Ch. 18 - Prob. 22P Ch. 18 - Prob. 23P Ch. 18 - Prob. 24P Ch. 18 - Prob. 25P

Knowledge Booster

$Statistics$

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

Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill
College Algebra
Algebra
ISBN:9781938168383
Author:Jay Abramson
Publisher:OpenStax
College Algebra (MindTap Course List)
Algebra
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:Cengage Learning

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

Algebra

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Glencoe Algebra 1, Student Edition, 9780079039897...

Algebra

ISBN:9780079039897

Author:Carter

Publisher:McGraw Hill

College Algebra

Algebra

ISBN:9781938168383

Author:Jay Abramson

Publisher:OpenStax

College Algebra (MindTap Course List)

Algebra

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:Cengage Learning

SEE MORE TEXTBOOKS

Hypothesis Testing - Solving Problems With Proportions; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=76VruarGn2Q;License: Standard YouTube License, CC-BY

Hypothesis Testing and Confidence Intervals (FRM Part 1 – Book 2 – Chapter 5); Author: Analystprep;https://www.youtube.com/watch?v=vth3yZIUlGQ;License: Standard YouTube License, CC-BY

Do these data indicate a significant effect of counseling?

Solution Summary: The author explains that the null hypothesis states that data indicate no significant difference from what would be expected by chance.

Concept explainers

Videos

Do these data indicate a significant effect of counseling?

Chapter 18 Solutions