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The correct answer is B
The average working hours per month of the staff aged over 50 years in a factory were 160 and that of the staff aged under 50 years were 210. The mean ...
For a group of 100 students, the mean and standard deviation of scores were found to be 30 and 5 respectively. Later on it was discovered that the scor...
The square of normal variate with mean 0 and variance 1 follows:
X and Y are independent normal variables with mean 50 and 80 respectively and standard deviation as 4 and 3 respectively. What is the distribution o...
For the discrete distribution, the Pearson's coefficient of skewness β2 is always:
If the sum of lower and upper qualities is 6 and quartile deviation is 1.5, then the value of coefficient of quartile deviation is
If ten coins are tossed simultaneously, then the probability of getting at most I head is:
For a normal distribution, which of the following is true?
The fair dice is rolled 15 times and face value are noted
Face Value: 1 2 3...
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:
