QUESTION 1 1 points save Answer Nine students in Mr. Ruiz\'s class all took a sp

Question

QUESTION 1 1 points save Answer Nine students in Mr. Ruiz's class all took a speling test Raw scores can range between 0 (ox) and (00%). Their scores ar below 10 Student Raw Score and standard deviation The class mean is 6 median is 6 mode is 6 range is 4 (round to one decimal place). is 12 Look at student c's score. The score is in the 22 (round to percentile rank (round to the nearest integer) Its Zscore is two decimal places, e.g. if you got 0.553, enter 55 or 0.55) its Tscore is dround to one decimal place.eg you got e738 entier e7 4)

Explanation / Answer

We know that for percentile P(x<a)=P(z<5-6/1.2)=P(z<-0.83)=0.20=20th percentile.

z score=x-mean/sd=5-6/1.2=-0.833=-0.8

T score=x-mean/(sd/sqrt(n))=5-6/(1.2/3)=-2.5

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