Advertisements
Advertisements
प्रश्न
Select the correct option from the given alternatives :
The variance of 19, 21, 23, 25, and 27 is 8. The variance of 14, 16, 18, 20, and 22 is:
पर्याय
Greater than 8
8
Less than 8
8 − 5 = 3
उत्तर
8
APPEARS IN
संबंधित प्रश्न
The variance of 6 scores 1, 2, 3, 4, 5, 6 is ______
The variance and mean of distribution are 16 and 7 respectively. If every value is decreased by 3, then ______
The variance of the data 3, 6, 9, 12, 15 is ______
The variance of α, β and ϒ is 8, then variance of 4α, 4β and 4ϒ is ______.
The variance of first 50 even natural numbers is ______.
Let the mean and the variance of 5 observations x1, x2, x3, x4, x5 be `24/5` and `194/25` respectively. If the mean and variance of the first 4 observations are `7/2` and a respectively, then (4a + x5) is equal to ______.
The mean of the number a, b, 5, 8, 10 is 6 and variance is 6.80. Then, which one of the following gives possible values of a and b?
Following data gives age of 100 students in a college. Calculate variance and S.D.
| Age (In years) | 16 | 17 | 18 | 19 | 20 | 21 |
| No. of Students | 20 | 7 | 11 | 17 | 30 | 15 |
