Question 16
MediumOriginal questionThe table shows the marks, out of 100, that five students scored in three subjects.
| Student | Maths | Science | English |
|---|---|---|---|
| Aarav | 72 | 65 | 80 |
| Meenakshi | 88 | 74 | 69 |
| Gurpreet | 64 | 90 | 77 |
| Fatima | 80 | 83 | 71 |
| Tenzin | 91 | 68 | 62 |
What is the mean Science mark of these five students?
Show the answer and explanation
CorrectNot quiteAnswer B
Correct answer: B
Explanation
Science total: .
Mean: .
Worth noting
95 divides the total by 4 instead of 5. 79 is the mean Maths mark, read from the wrong column. 74 is the middle mark (the median), not the mean.
- Concept
- Mean of a column
- Typical timeTypical
- 80 s
- Your timeYours
- —
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