Question

The table below has question wise data on the performance of students in an examination. The marks for each question are also listed. There is no negative or partial marking in the examination.

Q.NO	Marks	Answered Correctly	Answered Wrongly	Not Attemped
1	2	21	17	6
2	3	15	27	2
3	2	23	18	3

What is the average of the marks obtained by the class in the examination

• A. 1.34
• B. 1.74
• C. 3.02
• D. 3.91

Answer 1

The correct option is C 3.02

Q.NO	Marks	Answered Correctly	Answered Wrongly	Not Attemped
1	2	21	17	6
2	3	15	27	2
3	2	23	18	3

Average
$=\frac{Totalmarksscored}{Totalnumberofstudents}=\frac{21\times 2+15\times 3+23\times 2}{44}=3.022727\simeq 3.02$