On an international exam, students are asked to respond to a variety of backgrou

Question

On an international exam, students are asked to respond to a variety of background questions. For the 41 nations that participated in the ExpertA persistence) and mean score on the exam was 0.777. 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 chakro B Click the icon to view the critical values table O A. No, since 10 ml is greater than the critical value for 30 There B. No, sance 10 777·s less than the entical value for 30 yessi C. Yes, since (0.7771 is greater than the critical value for 30 This r questWhat does this result mean? O D. Yes, since 10 7771 is less than the critical value for 30. O A. Countries in which students cheated on the exam also cheated on the items in the background questionnaire O B. Countriens in which studente answered a lessentageof tems in the background questionnaire tended to have higpher mean O C. There is no linear relation between countries in which students answered a greater percentage of items in the background D. Countries in which students answered a greater percentage of items in the background questionnaire tended to have higher questionnaire and higher mean scores on the exam mean scores on the

Explanation / Answer

as crtiical value is 0.361 fr n=30

hence option C is correct ; yes since 0.777 is greater than the critical value For 30.

result mean?

option D is correct

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