maths, questions 2 fully and question 3 a, if you solve these problems I will mark you as brainly
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samikutty:
please help me out in maths in this problem
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1
b.
x. f x ×f
2. 2. 4
5. 4. 20
7. 6. 42
8. 3. 24
N=15. summation of x×f=90
mean =summation of x×f÷N
90÷15
= 6
mean = 6
x. f x ×f
2. 2. 4
5. 4. 20
7. 6. 42
8. 3. 24
N=15. summation of x×f=90
mean =summation of x×f÷N
90÷15
= 6
mean = 6
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