Question

A student gets 35 marks in theory paper, 15 marks in practical examination and 5 marks in oral

examination of a subject. The school gives weight 4, 2 and 1 respectively to these types of

examinations. Find the weighted mean of marks for this student. pls show method ​

Answer 1

Answer:

82 is the correct answer

Answer 2

Step-by-step explanation:

Percentage marks in the examination-

English=50

Accounts=75

Economics=60

B.Std=80

Hindi=55

Weight allotted to each subjects are-

English=2,Accounts=3,Economics=3,B.std=2 and Hindi=1

Mean=

Sum of all observation

sum of all observation value

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∴ Weight mean=

2+3+3+2+1

50×2+75×3+60×3+80×2+55×1