Previous Year NEET Question- Statistics
- 2019:
The answer is (C)
The total of 5 observations = 5 * 15 = 75
The total of the remaining observations = 75 - 20 = 55
The mean of the remaining observations = 55 / 4 = 14
- 2018:
The answer is (B)
The total runs scored by the batsman in 10 matches = 10 * 68 = 680
The total runs scored by the batsman in 11 matches = 680 + 80 = 760
The average runs scored per match by the batsman = 760 / 11 = 64
- 2017:
The answer is (C)
The total of 100 observations = 100 * 40 = 4000
The total of 99 observations = 99 * 40 = 3960
The new mean = 3960 / 99 = 40