| Age in years | 10 - 14 | 15 - 19 | 20 - 24 | 25 - 29 | 30 - 34 |
| Frequency | 6 | 8 | 14 | 10 | 12 |
In which group is the upper quartile?
15 - 19
20 - 24
25 - 29
30 - 34
Correct answer is C
The upper quartile occurs at the \(\frac{3N}{4}\) position.
= \(\frac{3 \times 50}{4} = 37.5\)
This occurs in the class 25 - 29.
If a fair coin is tossed four times, what is the probability of obtaining at least one head? ...
Simplify \(\frac{\sqrt{3}}{\sqrt{3} - 1} + \frac{\sqrt{3}}{\sqrt{3} +1}\)...
If \(^{3x}C_{2} = 15\), find the value of x?...
Given that \(f(x) = \frac{x+1}{2}\), find \(f^{1}(-2)\)....
If \(2\log_{4} 2 = x + 1\), find the value of x....
In how many ways can 8 persons be seated on a bench if only three seats are available? ...
If \(s = 3i - j\) and \(t = 2i + 3j\), find \((t - 3s).(t + 3s)\)....