2024-05-12 | Let a vertical tower AB of height 2h stands on a horizontal ground. Let from a point P on the gr.... |
2024-05-12 | The mean of five observations is 5 and their variance is 9.20 . If three of the given five obser.... |
2024-05-12 | If the mean and variance of eight numbers \(3,7,9,12,13\), \(20, x\) and \(y\)be 10 and 25 respe.... |
2024-05-12 | Let \(X=\{x \in N: 1 \leq x \leq 17\}\) and \(Y=\{a x+b: x \in X\}\) and \(a, b \in R, a>0\}\.... |
2024-05-12 | The angle of elevation of the top of the tower observed from each of the three points A, B, C on.... |
2024-05-12 | The length of the minor axis (along y-axis) of an ellipse in the standard form is 43.If thi.... |
2024-05-12 | Let the mean and variance of 12 observations be \(\frac{9}{2}\) and 4 respectively. Later on, it.... |
2024-05-12 | Let the mean and variance of four numbers \(3,7, x\) and \(y(x>y)\) be 5 and 10 respectively..... |
2024-05-12 | Consider the given data with frequency distribution
Match List-I with List-II:
Choose the corr.... |
2024-05-12 | The mean and variance of the data \(4,5,6,6,7,8, x, y\), where \(x<y\), are 6 and \(\frac{9}{.... |
2024-05-12 | If the variance of the following frequency distribution:
is 50 , then \(x\) is equal to .....&n.... |
2024-05-12 | Consider the data on \(x\) taking the values \(0,2,4,8, \ldots, 2^n\) with frequencies \({ }^n C.... |
2024-05-12 | For the frequency distribution:Variate \((x): x_1 x_2 x_3 \ldots x_{15}\)Frequency \((f): f_1 f_.... |
2024-05-12 | Consider three observations \(a, b\) and \(c\) such that \(b=a+c\). If the standard deviation of.... |
2024-05-12 | The sum of squares of deviations for 10 observations taken from mean 50 is 250 . The coefficient.... |
2024-05-12 | Let the mean of the data
be 5. If\(m\) and \(\sigma^2\) are respectively the mean deviation abou.... |
2024-05-12 | The mean and the median of the following ten numbers in increasing order \(10,22,26,29,34, x, 42.... |
2024-05-12 | Consider the following frequency distribution:
If the sum of all frequencies is 584 and median .... |
2024-05-12 | Let \(x_1, x_2, x_3, \ldots ., x_{20}\) be in geometric progression with \(x_1=3\) and the commo.... |
2024-05-12 | Let a line L pass through the point of intersection of the lines bx+10 y-8=0 and 2x-3&.... |
2024-05-12 | Let C be the largest circle centred at (2, 0) and inscribed in the ellipse = x236+y216.... |