On an international exam, studonts are asked to respond to a varly of background

Question

On an international exam, studonts are asked to respond to a varly of background quentions For the 41 nations that explains what this resull might mean kk the icon to view the crtical vakm title paniputed n the exan, he corelusan beheeen the percentae of asms answered h the bickgound as a proxy for shudens task persiblence) and mean score on the exam was 0 833 Does this suggest thene is a linear relaion btween shudent task persistence and achievment score? Whte a sentence hat Does this suggest here is a linear relation biwoon sudent tack pensistence ad achievement score? Choose the bost esponse below A. No, since j0 833) is less than the critkal vafor 30 B. No, since }0 833-greater than the otkal value for 30 O C, Yes, snce (0 033 is less than the orial ae for3 O D. Yes, shce /0 833 is greater than the cailical value for 30 What does ts resut mean A. Cartres in which students answered a greater percentage ofitoms in tho background gostimabe bnded lo have higher mean scores on he-am O B. Countrlies in which students cheated on the exam also chealed on tho in the background questioena C. There is no lear relation between countries in which students answered a greater centage or aem in, backpwdquestionan ndby "moan scores onhe tun D. Carwies in which students answereda lesser percentage od ne-in-badgond quedomme tended to have highe" mean scores on the exam

Explanation / Answer

1 ) B ) No , since | 0.833 | is greater than the critical value for 30 .

The correct option is ( B ) .

2 ) A ) Countries in which students answered a greater percentage of items in the background questionnaire tended to have a higher mean value on the exam .

The correct option is ( A ) .

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