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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

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 8E
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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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