5. The marks (out of 100) obtained by a group of students in a Science test are 85, 76,90,85, 39, 48,56, 95, 81 and 75. Find the :
(a) Highest and lowest marks obtained by students
(b) Mean marks obtained.
(c) Number of students securing marks more than the mean marks.
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जझी्वानंदबफाइकजध्दाफुरिजवबडजक्सिची जेडकडनवजडजकदंड
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Answer:
a) Highest =95
lowest=39
B)The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are
therefore (85+76+90+85+39+48+56+95+81+75)
10
=730 =73
10
64 ans
C) 7 students score more then mean
= 85,76,90,85,95,81,75
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