Question
25, 32, 47, 77, 126,
198 Find the wrong number in the given number seriesÂSolution
ATQ, 28 + (1 × 4) = 32 32 + (3 × 5) = 47 47 + (5 × 6) = 77 77 + (7 × 7) = 126 126 + (9 × 8) = 198 Therefore, 28 should come in place of 25
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:
Relevant for Exams:
