Question
How much did C get in PI?
Answer: Option D
:
D
The overall score for C is given as 95
The easier way to calculate this, will be to consider the deviation of the average of each group's score from 95
Eg) the average of the Section I = 98. Deviation from the total average 95=3
Similarly for Essay Writing =0
For Section II = -0.5
For Vernacular Group = 0
Let the Personal Skills group =x
Thus, 3+0-0.5+0+x=0⇒ x= 2.5. this implies that the Average of the Personal Skills Group = 95+2.5= 97.5
Now C's score in GD=96 & the average of the group is 97.5. Thus C's PI score = 99
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:
D
The overall score for C is given as 95
The easier way to calculate this, will be to consider the deviation of the average of each group's score from 95
Eg) the average of the Section I = 98. Deviation from the total average 95=3
Similarly for Essay Writing =0
For Section II = -0.5
For Vernacular Group = 0
Let the Personal Skills group =x
Thus, 3+0-0.5+0+x=0⇒ x= 2.5. this implies that the Average of the Personal Skills Group = 95+2.5= 97.5
Now C's score in GD=96 & the average of the group is 97.5. Thus C's PI score = 99
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