2. The marks obtained by 12 students in an examination (out of 50) are given below
18, 35. 2. 27. 40, 0, 21, 33, 27, 8, 36, 23
Find the mean marks
Answers
Answered by
5
Answer:
22.5 marks
Step-by-step explanation:
Total number of observations = 12
Mean = Sum of observations
--------------------------------
No. of observations
= 18+35+2+27+40+0+21+33+27+8+36+23
------------------------------------------------------------
12
= 270/12
= 22.5 marks
Hope this helps...
Answered by
1
Answer:
Mean=Sum of all observations/Total no. of all observations
=18+35+2+27+40+0+21+33+27+8+36+23/12
=270/12
=22.5
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