SPRING 2017 MATH1680.150 MwF Quiz CH4 Quiz Submit Quiz This Question: 1 pt 13 of
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SPRING 2017 MATH1680.150 MwF Quiz CH4 Quiz Submit Quiz This Question: 1 pt 13 of 14 (1 complete) v This Quiz: 14 pts possible E Question Help On an intermational exam, students are asked to respond to a variety of background questions. For the 41 nations that participated in the exam, the correlation between the percentage of items answered in the background questionnaire (used as a proxy for student task persistence) and mean score on the exam was 0.755. Does this suggest there is a linear relation between student task persistence and achievement score? Write a sentence that explains what this result might mean. Im Click the icon to view the critical values table. Does this suggest there is a linear relation between student task persistence and achievement score? Choose the best response below. O A. Yes, since lo 755l is greater than the critical value for 30. O B. No, since l0.755l is less than the critical value for 30. O C. No, since lo 755l is greater than the critical value for 30. O D. Yes, since l0.755I is less than the critical value for 30. What does this result mean? o A countries in which students cheated on the exam also cheated on the items in the background questionnaire. o B. Countries in which students answered a lesser percentage of items in the background questionnaire tended to have higher mean scores on the exam background questionnaire tended to have higher mean the O c. Countries in which students answered a greater percentage of items in the scores on o D. exam. a items in the background questionnaire and higher There is no linear relation between countries in which students answered greater percentage of mean scores on the exam. Click to select your answer.Explanation / Answer
Does there exist a linear relationship?
Correct option to select is A. Yes there exists correlation and its value is greater than critical value for 30 which is 0.361
What does this result mean?
Correlation is positive, hence correct option is C
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