Question
A random sample of size 225 is drawn from the population of mean μ and standard deviation σ. The sample mean follows the distribution with mean 100 and standard distribution 4/3. The value of μ and σ are:
More Welfare Economics Questions
- The interquartile range excludes ___ of the values.
- Which of the following approaches does multiplicative model have for the component of Time series Secular trend (7). Seasonal variation (S), Cyclical fluct...
- If the multiple correlation coefficient of X1 on X2 and X3 is zero, then:
- Completely Randomized Design provides maximum number of degree of freedom for the:
- If the random sample of size n is drawn without replacement from a finite population of size N, the correction factor for standard error of sample mean wil...
- The mean deviation from an average A will be minimum, if A represents:
- If xi | fi , i = 1,2,...n is a frequency distribution with standard deviation 15 and mean 30, the coefficient of variation will be equal to:
- For a distribution with mean, median, mode and standard deviation 25, 24, 26 and 5 respectively, Karl Pearson's coefficient of skewness equals to:
- Which of the following options is INCORRECT?
- For a random variable x, the central moments (µi) of all order exist. The square of (2j + 1)th moment (µ22j+1) 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)