Question
For making frequency distribution, the number of classes used depends upon:
More Welfare Economics Questions
- For the variables X and Y, we collect 4 observations with ∑ X = 10,∑ Y = 14,∑ X2 = 30,∑ Y2 = 54,∑ XY = 31 The regression line y on x is
- 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
- The deseasonalised time - series data will have only trend (T), cyclical (C) and irregular (I) components and is expressed as:
- For the random variable X with probability density function f(x) = (x−3)2 /5; x = 3, 4, 5, the variance of X is:
- A physical instructor claims that the mean weight of students in school is greater than 82 kg with standard deviation 20. If a sample of size 81 students i...
- Question 6
- The value of k so that following is probability mass function X: -2 -1 0 1 2 3 P(X=...
- If each observation is halved then the coefficient of quartile deviation
- Which of the following satisfies the time and factor reversal test?
- The Economic Survey projected India’s GDP growth for FY27 in which range?
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)