निम्नलिखित कहानियों

For the cumulative distribution function

the upper quartile point is

For a distribution with mean, median, mode and standard deviation 25, 24, 26 and 5 respectively, Karl Pearson's coefficient of skewness equals to:

Five persons A, B, C, D and E occupy seats in a row at random. The probability that A and B sit next to each other is:

Which of the following is an example of using a sample to make inference about a population?

Which one is not non-probability sample method

The mean deviation from an average A will be minimum, if A represents:

Two random variables X and Y are said to be independent if:

If a discrete random variable X follows uniform distribution and assumes only the values 8, 9, 11, 15, 18, 20, the value of P(|X-14| < 5) will be: