527
407
327
277
Correct answer is A
Mean, ˉx=1+2+0+(−3)+5+(−2)+47=77=1
| x | (x−ˉx) | (x−ˉx)2 |
| 1 | 0 | 0 |
| 2 | 1 | 1 |
| 0 | -1 | 1 |
| -3 | -4 | 16 |
| 5 | 4 | 16 |
| -2 | -3 | 9 |
| 4 | 3 | 9 |
| Total (n) = 7 |
52 |
Variance = \frac{\sum (x - \bar{x)^{2}}{n}
= 527
Find the direction cosines of the vector 4i−3j....
Which of the following vectors is perpendicular to (−13)?...
Given that AB=(43) and \(AC = \begin{pmatrix} 2 \\ -3 \end{pma...
If P=(1−234) and \(Q = \begin{pmatrix} -2 & ...
Face 1 2 3 4 5 6 Frequency 12 18 y 30 2y 45 Given the table abov...