سؤال واحد فقط في الإحصاء يحتاج لتفسير !

[sun-rise]

معليش يا جماعة الخير حصل لخبطة في السؤال مو هوا هادا اللي كنت حابة أسأل عليه السؤال الفعلي هو كالآتي :

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. For the mathematics part of the SAT the mean is 514 with a standard deviation of 113,
and for the mathematics part of the ACT the mean is 27 with a standard deviation of 5.1.
Ali scores a 660 on SAT and a 20.6 on the ACT. Determine on which test he performed
better

.
A) SAT has a higher score than ACT.
B) ACT has a higher score than SAT.
C) both exam have the same scores..

D) the higher score can not be determine.