Question

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.​

Answer 1

Answer:

जझी्वानंदबफाइकजध्दाफुरिजवबडजक्सिची जेडकडनवजडजकदंड

Answer 2

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