A grc of high school seriors to k scholastic apat de tas a)What is the cerrelati

Question

A grc of high school seriors to k scholastic apat de tas a)What is the cerrelatian? The correlstion is Round to thraa decimal placea as needad) he ras ng math scores hadmaan 464 6 aith a standard deva n a 171 verbal scores had mean 473 with a standard dEW:ticr o 47 2 and the camn to oat een ve bcl and math scores was r-0 7 19 parts a through through below amp e e rts rite the equation the ine of regrespricrg verbal sccres frem math scores Round to threc decimal places as ncodad.) c) In geral, al'el would a zero residusl mean in this cornet? OA. Azero residual means the student has a lowcr verbal score than the lincar madel woud predict. O B. A zero residual means the student nas exact verba score that the linear model would predict. O C. Azero residual means the student has a higher verbal score than the linear model would predict d) A person telk you her math score was 403. Fredict her erbal score. Tha shudent iexpertad ho hava a varbal szane of Round to thros decimal places as ncodad.y e) Using the predcted verbal acore trom part (d) and the regreesion equation math-58 225 33verba), predct the at dente math score Thepedicted ath Round to Uree decimsl olacee aa needed. Why doesn' the rasuit in part (e)came ou 1o 403? A. na lne g en in par! e, minmeeG squarad residuals in ta wtal direct on, whlathelina tourdin part o minimize s them nta math dracton O B. Tha Itoun in part (bj minmzes squared residuals intheverhal diection, whila the ina gien in part (a) minimizes tham in tha math dracton C. Tha lna touna 'n part b minm7AA squared residuals in the math neth n whIA thelina gnen n nart(A mnm7AA tam in the ernal dracton

Explanation / Answer

a) Correlatio is 0.719

b) Slope = (0.719*147.2)/171.5 = 0.617

Intercept = 473-454.6*0.617 = 192.455

y = 192.455+0.617x

c) Option A is Correct

d) y =192.455+0.617*403 =441.156

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