Question
When was it decided to replace existing rail networks
by zones?Solution
In 1952, the existing rail networks were divided into six Zones for administrative purpose. Further with prospering of the economy Indian Railway made all railway production indigenous.
Approximately, the coefficient of variation for the given data where Pearson's second measure of skewness = 0.42, arithmetic mean- 86 and median 80, is:
Which of the following options is correct when data is classified on the basis of attributes?
To estimate the average work experience of MBA students at a management institute, five students are selected at random from each type of background, s...
The fair dice is rolled 15 times and face value are noted
Face Value:Â Â Â Â Â Â Â Â 1Â Â Â Â Â Â Â Â Â Â Â Â Â 2Â Â Â Â Â Â Â Â Â Â Â Â Â 3...
Which one is parameter from population?
The second and fourth moment about mean for a distribution are 4 and 18 respectively. What is the value of Pearson's coefficient of skewness β ₂ ? <...
If the third quartile of the following data set 7,10,7,8,9 is 9.5, then the value of quartile deviation is:
60% of the employees of a company are college graduates. Of these, 10% are in sales. Of the employees who did not graduate from college, 80% are in sal...
