Question
When did the first railway train run on the Indian
subcontinent?Solution
Solution: The first railway train on the Indian subcontinent ran on 16th April 1853 from Bombay to Thane, covering a distance of 21 miles. This event marked the beginning of the railway system in India.

If the odds in favour of any random event A are 5 : 6, then the odds against the event are:
For frequency distribution presentation , which option is wrong.
For the variables X, Y and Z, rXY = 0.80, rXZ = 0.64, rY Z = 0.79 , then square of multiple correlation coefficient R2 X.Y Z is:
Which option is WRONG?
The standard deviation of Y is double of standard deviation of X. The correlation coefficient between X and Y is 0.5. The acme angle between lines of r...
The sample sizes for two cases were 15 each with means as 104 and 114 respectively and variances as 200 and 510 respectively.
Let the null hyp...
The standard error of the given data 15, 5, 12, 10, 20, 4 is
If the first, fifth and ninth decile of frequency distribution xi ∣ fi are 3,10,16, respectively, then Kelly's coefficient of skewness is:
The grouped data for the observation are as follows.
Class : 2-4 4-6 6-8<...