Question
Download Solution PDFThe following table shows the marks (in percentages) obtained by six students in five different subjects in an examination. The maximum marks in each subject are 100.
Student |
SUBJECT |
|||||
|
CS |
PHYSICS |
CHEMISTRY |
MATHS |
HISTORY |
GEOGRAPHY |
A |
95 |
65 |
90 |
70 |
70 |
80 |
B |
90 |
70 |
75 |
75 |
85 |
85 |
C |
80 |
80 |
65 |
70 |
90 |
95 |
D |
85 |
90 |
85 |
75 |
90 |
95 |
E |
80 |
95 |
95 |
85 |
90 |
95 |
F |
90 |
90 |
90 |
95 |
90 |
90 |
Answer the following question based on the table:
What are the average marks obtained by all the six students in CS? (up to two decimal places)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFFormula Used:
Average = Sum of observations / Number of observations
Calculation:
Sum of marks in CS = 95 + 90 + 80 + 85 + 80 + 90
⇒ Sum of marks in CS = 520
Average marks in CS = 520 / 6
⇒ Average marks in CS = 86.666...
Average marks in CS (up to two decimal places) = 86.67
The average marks obtained by all the six students in CS is 86.67.
Last updated on Dec 9, 2024
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