5 ) Find the mean of 5, 3, 12,0,7,11,4,3,9,
6) Find the mean and median of first 6 odd natural numbers.
7) The marks (out of 100) obtained by a group of students in a science test are
85, 76, 90, 85, 39, 48, 56,95, 81,75
Find the: a) Highest and lowest marks obtained by the students.
b) Mean marks obtained by the students.
B) Solve the following:-
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the total area of four walls of a room is 660 metre square and the length is twice its width. if the height of the room is 11 metre, then the area of its ceiling is
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5) firstly arrange in ascending order
Mean = 0,3,3,4,5,7,9,12
= 0+3+3+4+5+7+9+12/8
= 43/8
= 5.375
6) (i) Mean = 1,3,5,7,9,11
= 1+3+5+7+9+11/6
= 36/6
= 6
(ii) Median = 1,3,5,7,9,11
= 5+7/2
= 12/2
= 6
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