Which country has recently launched its first nuclear attack submarine?
North Korea has launched its first operational "tactical nuclear attack submarine" and assigned it to the fleet that patrols the waters between the Korean peninsula and Japan.
Let x and y be two variables with variance as 1990 and 796 with 11 and 9 number of observations respectively. The value of F(10, 8) at 5% level of sign...
Using the method of semi-averages, secular trend is measured when:
If ten coins are tossed simultaneously, then the probability of getting at most I head is:
For ANOVA table
the F - statistics is:
The prices (in ₹) of different yarns (per kg) in two consecutive years are as follows.
For the data set
X: 1 2 3 4 ...
If mean and median of the distribution are 12 and 21, then the distribution
For a distribution, mean is 40, median is 40.5 and mode is 41. The distribution is:
