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A professor claims that students who have faster typing speed (in words per minute) tend to have higher scores in his quizzes. To verify if there is indeed a positive linear association between the two, he randomly selected 30 of his students and computed the sample correlation coefficient as 0.3234. Which of the following statement(s) is(are) TRUE? A. I. There is a positive weak linear association between the typing speed and quiz scores. B. II. Faster typing speed results to higher scores in quizzes. C. Both I and II D. Neither I nor II

A professor claims that students who have faster typing speed (in words per minute) tend to have higher scores in his quizzes. To verify if there is indeed a positive linear association between the two, he randomly selected 30 of his students and computed the sample correlation coefficient as 0.3234. Which of the following statement(s) is(are) TRUE? A. I. There is a positive weak linear association between the typing speed and quiz scores. B. II. Faster typing speed results to higher scores in quizzes. C. Both I and II D. Neither I nor II

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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A professor claims that students who have faster typing speed (in words per minute) tend to have higher scores in his quizzes. To verify if there is indeed a positive linear association between the two, he randomly selected 30 of his students and computed the sample correlation coefficient as 0.3234. Which of the following statement(s) is(are) TRUE? A. I. There is a positive weak linear association between the typing speed and quiz scores. B. II. Faster typing speed results to higher scores in quizzes. C. Both I and II D. Neither I nor II
Transcribed Image Text:A professor claims that students who have faster typing speed (in words per minute) tend to have higher scores in his quizzes. To verify if there is indeed a positive linear association between the two, he randomly selected 30 of his students and computed the sample correlation coefficient as 0.3234. Which of the following statement(s) is(are) TRUE? A. I. There is a positive weak linear association between the typing speed and quiz scores. B. II. Faster typing speed results to higher scores in quizzes. C. Both I and II D. Neither I nor II
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