Question
For an experiment we have the following data set: n = 4, ∑ X = a,∑ Y = 10,∑ XY = 21,∑ X2 = 30,∑ Y2 = 30 the correlation coefficient is -0.8 then the value of a is:
More Welfare Economics Questions
- The purchasing power of money is equal to:
- The mean and median of the distribution are 10 and 11 respectively, then the mode equals to
- If the population skewness of the observations 8,6,3, 1,2,5 is 0.233, then the population skewness of 16,12,6,2,4,10 is:
- Question 4
- For completely randomized design for k treatments and n observations, yif = response from the jth unit receiving ith treatment, ∑i ∑j yij = y.. and ∑jni yi...
- The Union Budget 2026-27 noted that close to how many individuals have come out of multidimensional poverty in the last decade?
- Which of the following small savings schemes currently has a maturity period of 115 months?
- The deseasonalised time - series data will have only trend (T), cyclical (C) and irregular (I) components and is expressed as:
- If mean and mode of the distribution is 32 and 21, then the distribution:
- The prices (in ₹) of different yarns (per kg) in two consecutive years are as follows. By simple aggregative method, the net price changes in % is:
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)