means Student's scores will be clos Hedlucing of slas proportion o fan fan into the faill h The exam scores of 780 students from another school, scores were found to be normally distributed, and with These exam scores were compared with those in part (- standard deviation of 15. (g) If a student from MGHS obtains an exam score of 75, which student performs better relative to

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DONT ANSWER USIJG Z SCALE ANSWER USING THE GRPAHICS CALCULATOR INVERSE NORMAL AND NORMAL C.D FUNCTIONS
means
Sudent's scoles will be closer to the mean
that the majority of
the proportion of stucients soos
Hedlucing the the faillimy rangle.
TW
The exam scores of 780 students from another school, Bondi Secondary School (BSS), were analysed. The
scores were found to be normally distributed, and with a mean score of 52 and a standard deviation of 10.
These exam scores were compared with those in part (a) from MGHS with a mean score of 55 and a
standard deviation of 15.
(g) If a student from MGHS obtains an exam score of 82 and a student from BHS obtains an exam score
of 75, which student performs better relative to the students from their own school?
Mats
2=(82 55/75 R$ 2=82-55-27
+s
BSS
2 (72-52/10 = 2.3
R
J
75-52 -√28 25
#4
42.3
IS
$.
2:3
BSI
Transcribed Image Text:means Sudent's scoles will be closer to the mean that the majority of the proportion of stucients soos Hedlucing the the faillimy rangle. TW The exam scores of 780 students from another school, Bondi Secondary School (BSS), were analysed. The scores were found to be normally distributed, and with a mean score of 52 and a standard deviation of 10. These exam scores were compared with those in part (a) from MGHS with a mean score of 55 and a standard deviation of 15. (g) If a student from MGHS obtains an exam score of 82 and a student from BHS obtains an exam score of 75, which student performs better relative to the students from their own school? Mats 2=(82 55/75 R$ 2=82-55-27 +s BSS 2 (72-52/10 = 2.3 R J 75-52 -√28 25 #4 42.3 IS $. 2:3 BSI
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