Math100
Project1,Part1
Quizbasedonvideo “What’stheScore?”
Names:
Circlecorrectanswers:
1.Whatisarawscore?
A. Thesameasapercentilescore.
B. Thesameasagrade-equivalentscore.
C. Thescoreastudentwillearnwithoutcoaching.
D. Thenumberofpointsreceivedonatest.
2. Whichoneofthefollowingmustbetrueofastudentwhoscoresatthe73rdpercentile?
A. Shecorrectlyanswered73%oftheexamquestions.
B. Shescoredaswellas73otherstudentstakingtheexam.
C. Shescoredaswellorbetterthan73%ofstudentstakingtheexam.
D. Herscorewas73%oftheexpectedscoreforastudentathergradelevel.
3. Supposeastudent’sexamreportshowsthefollowing:
Rawscore: 52
Percentilerank:83
Whichoneofthefollowingmustbetrue?
A. Thestudentcorrectlyanswered52%oftheexamquestions.
B. Thestudentcorrectlyanswered83%oftheexamquestions.
C. 17%ofstudentsinthenormgroupreceivedarawscorehigherthan52.
D. 83%ofstudentsinthenormgroupansweredexactly52examquestionscorrectly.
4. Supposethat,onthesametest,astudent’spercentilerankis50withrespecttostatenormsandherpercentilerankis40withrespecttonationalnorms. Whichoneofthefollowingmustbetrue?
A. Themedianscoreforstudentsinthestateislowerthanthemedianscoreforstudentsinthenation.
B. Themedianscoreforstudentsinthestateishigherthanthemedianscoreforstudentsinthenation.
C. Thestateandthenationhavethesamemedian,butdifferentmeans.
D. Thestatedistributionisskewed.
5.Juan,afifth-grader,receivedagrade-equivalentscoreof8.5onanationallystandardizedmathtest. Whichofthefollowingisacorrectinterpretationofhisscore?
A. Juan’spatternofstrengthsandweaknessesinmatharesimilartothoseofaneighthgrader.
B. Juanshouldbecapableofpassinganeighthgrademathclass.
C. Juan’stotalscoreisequaltotheaveragescoreforstudentsintheirfifthmonthofeighthgrade.
D. ThenumberofquestionsJuanansweredcorrectlyishalfwaybetweentheeighth-gradeaverageandtheninth-gradeaverage.
6. Margaritascoredatthe70thpercentilenationallyonastandardizedtestofwritingskills. However,shescoredatonlythe60thpercentileamongfemaleswhotookthetest. Whichofthefollowingwouldexplainthisdisparity?
A. Femalestendtoscorehigheronthistestthanmales.
B. Femalestendtoscoreloweronthistestthanmales.
C. Fewerfemalesthanmalestakethistest.
D. Thedistributionsforbothmalesandfemalesareskewed.
7. Cristina,a3rdgrader,recentlytookastateassessmentinmathematicsandcorrectlyanswered75%ofthequestions. Herscaledscoreof305was5pointshigherthantheminimumstateproficiencycut-pointinmathematics,whichis300. Whichofthefollowingmustbetrue?
A. A3rdgraderwhoanswered80%ofthequestionscorrectlywouldexceedtheminimumproficiencycut-pointinmathinCristina’sstate.
B. A3rdgraderwhoscoredatthe75thpercentilewouldexceedtheminimumproficiencycut-pointinmathinCristina’sstate.
C. Themedianscorefor3rd-gradersislessthan300.
D. 25%ofthe3rdgradersinCristina’sstatescoredhigherinmaththanCristina.
8. Edgardidnotattaintheminimumproficiencylevelonhisstate’s5thgradereadingcomprehensionexam,althoughhisscaledscorewasatthe60thpercentileforall5thgradersinhisstate. Whichofthefollowingmustbetrue?
- Thestate’sminimumproficiencylevelfor5thgradersisbelowthestatemedianfor5thgraders.
B. 40%ofthestate’s5thgradersperformedbetterthanEdgar.
C. 40%ofthestate’s5thgradersareattheminimumproficiencylevelorhigherinreadingcomprehension.
D. 5thgradersmustansweratleast60%ofthereadingcomprehensionitemscorrectlytobeconsideredproficientinEdgar’sstate.
9.SupposeCindygotascoreof87onatest. Whichoneofthefollowingresultsrepresentsacriterion-referencedinterpretationofthatscore?
A. Herscoreexceedsthatof70%ofherclassmates.
B. Herscoreexceedsthatof63%ofstudentsinthenation.
C. Herscoreexceedstheminimumscorethatis considered “proficient “ inherstate.
D. Herscoreishigherbytenpointsthanthescoreshereceivedlastyear.
10.Whichisanexampleofanorm-referencedscoreinterpretation?
A.Mark’sscorewashigherthantheeighth-grademean.
B. Markmetthe “proficient” performancestandardforthestateofNevada.
C. Markanswered20outof25testitemscorrectly.
D. EightypercentofMark’sanswerswerecorrect.
11.Theaveragerawscoreonaspellingtestgiventoaclassof5thgradersis50points. If75%ofthestudentsintheclassscoredbelowtheaveragescoreonthetest,then:
A.Themedianscoremustbelowerthan50.
B. Themedianscoremustbeequalto50.
C. Themedianscoremustbehigherthan50.
D. Themedianscoremustbeequalto75.
12. Suppose that the median score on your state's 6th grade math test has increased substantially between 2005 and 2015. The state norms table for the test was created in 2005. How will the increase in the median score affect the 2015 score distribution for your state?
A. In 2015, more than 50% of students will score above the 2005 median.
B. In 2015, fewer than 50% of students will score above the 2005 median.
C. In 2015, the percentage of students above the 2005 median must, by definition, be equal to 50%.
D. The mean of the 2015 distribution is likely to be smaller than the 2005 median.
13.Iftestscoresfollowanormaldistributionwithameanof60andastandarddeviationof10,whatisthemedian?
A. 50
B. 60
C. 62.5
D. 70
14.Iftheaveragescoreonamathtesttakenbyagroupof11thgradestudentswas60andthemedianscorewas80,thenwhichofthefollowingmustbecorrect:
A. Morethanhalfthestudentsscoredabove80.
B. Morethanhalfthestudentsscoredbelow60.
C. Atleasthalfthestudentsscoredabove60.
D. Thetestisbiased.
15. Inaclassof30,16studentsreceivedascoreof100,threestudentsreceivedascoreof0,andtheremaining11students’ scoresfellbetweenthosevalues. Whichofthefollowingmustbetrue?
A. Themodeissmallerthanthemedian
B. Themedianandthemeanarethesame.
C. Themeanandthemodearethesame.
D. Themedianandthemodearethesame.