STATISTICSMYSTAT LAB ACCESS CODE + PHS
13th Edition
ISBN: 9780134613949
Author: MCCLAVE
Publisher: PEARSON
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Chapter 10.3, Problem 10.34ACI
To determine
To test: The independence of opinions and cities.
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To test the fairness of law enforcement in its area, a local citizens’ group wants to know whether women and men are unequally likely to get speeding tickets. Four hundred randomly selected adults were phoned and asked whether or not they had been cited for speeding in the last year. Using the results in the following table and a 0.10 level of significance, test the claim of the citizens’ group. Let men be Population 1 and let women be Population 2.
Speeding Tickets
Ticketed
Not Ticketed
Men
12
183
Women
30
175
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Step 2 of 3 :
Compute the value of the test statistic. Round your answer to two decimal places.
A Pew Research study conducted in 2017 found that approximately 75% of Americans believe that robots and computers might one day do many of the jobs currently done by people.† Suppose we have the following data collected from nurses, tax auditors, and fast-food workers in which a higher score means the person feels his or her job is more likely to be automated.
Nurse
TaxAuditor
Fast-FoodWorker
3
4
5
4
5
8
6
4
6
2
4
8
3
6
5
3
3
6
4
5
6
5
3
4
(a) Use ? = 0.05 to test for differences in the belief that a person's job is likely to be automated for the three professions.
State the null and alternative hypotheses.
H0: μNurse = μTax auditor = μFast-food worker Ha: μNurse ≠ μTax auditor ≠ μFast-food worker
H0: At least two of the population means are equal. Ha: At least two of the population means are different.
H0: Not all the population means are equal. Ha: μNurse = μTax auditor = μFast-food worker
H0: μNurse = μTax auditor = μFast-food worker Ha:…
A Pew Research study conducted in 2017 found that approximately 75% of Americans believe that robots and computers might one day do many of the jobs currently done by people.† Suppose we have the following data collected from nurses, tax auditors, and fast-food workers in which a higher score means the person feels his or her job is more likely to be automated.
Nurse
TaxAuditor
Fast-FoodWorker
4
4
5
4
5
8
5
6
6
2
3
8
2
6
5
3
3
6
4
5
5
6
2
5
(a)Use ? = 0.05 to test for differences in the belief that a person's job is likely to be automated for the three professions.
State the null and alternative hypotheses.
1. H0: μNurse = μTax auditor = μFast-food worker Ha: Not all the population means are equal.
2. H0: Not all the population means are equal. Ha: μNurse = μTax auditor = μFast-food worker
3. H0: At least two of the population means are equal. Ha: At least two of the population means are different.
4. H0: μNurse ≠ μTax auditor ≠ μFast-food worker…
Chapter 10 Solutions
STATISTICSMYSTAT LAB ACCESS CODE + PHS
Ch. 10.2 - Find the rejection region for a one-dimensional 2...Ch. 10.2 - What are the characteristics of a multinomial...Ch. 10.2 - What conditions must n satisfy to make the 2 test...Ch. 10.2 - A multinomial experiment with k = 3 cells and n =...Ch. 10.2 - Prob. 10.5LMCh. 10.2 - Cable TV subscriptions and cord cutters. Refer to...Ch. 10.2 - Do social robots walk or roll? Refer to the...Ch. 10.2 - Rankings of MBA programs. Business Ethics (Fall...Ch. 10.2 - Museum management. Refer to the Museum Management...Ch. 10.2 - Offshoring companies. Offshoring is a term that...
Ch. 10.2 - Prob. 10.11ACICh. 10.2 - Prob. 10.12ACICh. 10.2 - Mobile device typing strategies. Text messaging on...Ch. 10.2 - Prob. 10.14ACICh. 10.2 - Coupon user study. A hot topic in marketing...Ch. 10.2 - Cell phone user survey. If you subscribe to a cell...Ch. 10.2 - Overloading in the trucking industry. Although...Ch. 10.2 - Political representation of religious groups. Do...Ch. 10.3 - Find the rejection region for a test of...Ch. 10.3 - Consider the 2 3 (i e., r = 2 and = 3)...Ch. 10.3 - Refer to Exercise 10.20. a. Convert the frequency...Ch. 10.3 - Test the null hypothesis of independence of the...Ch. 10.3 - Refer to Exercise 10.22. a. Convert the responses...Ch. 10.3 - Safety of hybrid cars. According to the Highway...Ch. 10.3 - Purchasing souvenirs. A major tourist activity is...Ch. 10.3 - Prob. 10.26ACBCh. 10.3 - Are travel professionals equitably paid? Business...Ch. 10.3 - Eyewitnesses and mugshots. Refer to the Applied...Ch. 10.3 - Package design influences taste. Can the package...Ch. 10.3 - Job satisfaction of women in construction. The...Ch. 10.3 - Offshoring companies. Refer to The Journal of...Ch. 10.3 - Prob. 10.32ACICh. 10.3 - Prob. 10.33ACICh. 10.3 - Prob. 10.34ACICh. 10.3 - Prob. 10.35ACICh. 10.3 - Prob. 10.36ACICh. 10.3 - Prob. 10.37ACICh. 10.3 - Coupon user study. Refer to the study of a...Ch. 10.3 - Examining the Monty Hall Dilemma. In Exercise...Ch. 10 - A random sample of 250 observations was classified...Ch. 10 - Prob. 10.41LMCh. 10 - Made in the USA survey. Refer to the Journal of...Ch. 10 - Prob. 10.43ACBCh. 10 - Survey on giving and volunteering (continued)....Ch. 10 - Stereotyping in deceptive and authentic news...Ch. 10 - Prob. 10.46ACBCh. 10 - Prob. 10.47ACICh. 10 - Pig farm study. An article in Sociological Methods...Ch. 10 - Management system failures. Refer to the Process...Ch. 10 - History of corporate acquisitions. Refer to the...Ch. 10 - Creating menus to influence others. Refer to the...Ch. 10 - Prob. 10.52ACICh. 10 - Prob. 10.53ACICh. 10 - Prob. 10.54ACICh. 10 - Flight lesponse of geese to helicopter traffic....Ch. 10 - Prob. 10.56ACACh. 10 - Goodness-of-fit test. A statistics analysis is to...Ch. 10 - Prob. 10.58CTCCh. 10 - A television station has hired an independent...Ch. 10 - Suppose the television station believes that a...Ch. 10 - Generalize the situations in Exercises 1 and 2 to...Ch. 10 - In this Activity, you will revisit Activity 3.1,...Ch. 10 - Prob. 10.2.2ACh. 10 - Perform a x2 test for independence for the example...
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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
- What is meant by the sample space of an experiment?arrow_forwardWhat is a sample space?arrow_forwardLaveist and Nuru-Jeter (A-4) conducted a study to determine if doctor–patient race concordance was associated with greater satisfaction with care. Toward that end, they collected a national sample of African-American, Caucasian, Hispanic, and Asian-American respondents. The following table classifies the race of the subjects as well as the race of their physician: Patient’s Race African- Physician’s Race Caucasian American Hispanic Asian- American Total White 779 436African-American 14 162 15 5 196 Hispanic 19 17 128 2 166 Asian=Pacific-Islander 68 75 71 203 417 Other 3055564145 Total 910 745 676 389 2720 Source: Thomas A. Laveist and Amani Nuru-Jeter, “Is Doctor–Patient Race Concordance Associated with Greater Satisfaction with Care?” Journal of Health and Social Behavior, 43 (2002), 296–306.(a) What is the probability that a randomly selected subject will have an Asian=Pacific-Islander physician? (b) What is the probability that an African-American subject will have an…arrow_forward
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