8th Edition

ISBN: 9781337558075

Author: Charles Henry Brase, Corrinne Pellillo Brase

Publisher: Cengage Learning

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Textbook Question

Chapter 11.1, Problem 14P

For Problems 9-19. please provide the following information.

(a) What is the level of significance? State the null and alternate hypotheses.

(b) Find the value of the chi-square statistic for the sample. Are all the expected frequencies greater than 5? What sampling distribution will you use? What are the degrees of freedom?

(d) Based on your answers in parts (a) to (c). will you reject or fail to reject the null hypothesis of independence?

Use the expected values E to the hundredths place.

Psychology: Myers-Briggs The following table shows the Myers-Briggs personality preference and area of study for a random sample of 519 college students (Applications of the Myers-Briggs Type Indicator in Higher Education, edited by Provost and Anchors). In the table, IN refers to introvert, intuitive; EN refers to extrovert, intuitive; IS refers to introvert, sensing; and ES refers to extrovert, sensing.

Myers-Briggs Preference	Arts & Science	Business	Allied Health	Row Total
IN	64	15	17	96
EN	82	42	30	154
IS	68	35	12	115
ES	75	42	37	154
Column Total	289	134	96	519

Use a chi-square lest to determine if Myers-Briggs preference type is independent of area of study at the 0.05 level of significance.

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Chapter 11.1, Problem 13P

Chapter 11.1, Problem 15P

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NC Current Students - North Ce X | NC Canvas Login Links - North ( X Final Exam Comprehensive x Cengage Learning x WASTAT - Final Exam - STAT → C webassign.net/web/Student/Assignment-Responses/submit?dep=36055360&tags=autosave#question3659890_9 Part (b) Draw a scatter plot of the ordered pairs. N Life Expectancy Life Expectancy 80 70 600 50 40 30 20 10 Year of 1950 1970 1990 2010 Birth O Life Expectancy Part (c) 800 70 60 50 40 30 20 10 1950 1970 1990 W ALT 林 $ # 4 R J7 Year of 2010 Birth F6 4+ 80 70 60 50 40 30 20 10 Year of 1950 1970 1990 2010 Birth Life Expectancy Ox 800 70 60 50 40 30 20 10 Year of 1950 1970 1990 2010 Birth hp P.B. KA & 7 80 % 5 H A B F10 711 N M K 744 PRT SC ALT CTRL

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Chapter 11 Solutions

Understanding Basic Statistics

Ch. 11.1 - Statistical Literacy In general, are chi-square...Ch. 11.1 - Statistical Literacy For chi-square distributions,...Ch. 11.1 - Statistical Literacy For chi-square tests of...Ch. 11.1 - Critical thinking In general, how do the...Ch. 11.1 - Critical Thinking Zane is interested in the...Ch. 11.1 - Critical Thinking Charlotte is doing a study on...Ch. 11.1 - Interpretation: Test of Homogeneity Consider...Ch. 11.1 - Interpretation: Test of Independence Consider...Ch. 11.1 - For Problems 9-19. please provide the following...Ch. 11.1 - For Problems 9-19, please provide the following...

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Solution Summary: The author explains the level of significance and state the null and alternative hypotheses.

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