Question
Find the range of the given data: 88, 76, 92,
85, 73, 66, 59, 95, 81Solution
Range = Highest value - Lowest value Range of the given data = 95 - 59 = 36
If the second and third moment about the origin are 8 and 18 and the third moment about mean is -14 , then the first moment about the origin is:
The Pearson's correlation coefficient between following observation
X:           1             2          �...
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:
If the first quartile of data set 8,10,8,7,9 is 7.5, then the value of quartile deviation is
Which of the following is an example of using a sample to make inference about a population?
For frequency distribution presentation , which option is wrong.
 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...
The null hypothesis in ANOVA one-way classification, the study of the variances due to k different sources, is:
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