Engineering Mathematics
Probability & Statistics
GATE 2017
Easy
The marks obtained by a set of students are: 38, 84, 45, 70, 75, 60, 48. The mean and median marks, respectively, are
- A45 and 75
- B55 and 48
- 60 and 60
- D60 and 70
Explanation
Mean=(38+84+45+70+75+60+48)/7=420/7=60. Sorted: 38,45,48,60,70,75,84 — median (4th value)=60.
Source: GATE CH 2017 (2017)
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