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Practice Welfare Economics Questions and Answers

If the odds in favour of any random event A are 5 : 6, then the odds against the event are:
Which of the following is the most relevant for deriving a point estimate?
For the cumulative distribution function the upper quartile point is
For ANOVA table the F - statistics is:
If each observation is halved then the coefficient of quartile deviation
If the first quartile of data set 8,10,8,7,9 is 7.5, then the value of quartile deviation is
The interquartile range excludes ___ of the values.
For the frequency distribution of X number of grammatical mistakes per line is as follows. X: 0 2 ...
If price-quantity are related for base year (0) and current year (1) are ∑ : p0q0 = 260,∑ : p1q0 = 395,∑ : p0q1 = 264,∑ : p1q1 = 422, then Marshall...
Which one is not non-probability sample method
If A and B are manually exclusive events such that P(A)P(B) > 0 , then which option is correct?
Which of the following is an example of using a sample to make inference about a population?
If r and R denote correlation and multiple correlation coefficient for the data set for X1, X2 and X3 . Which option is correct?
Which option is incorrect for the component of ti.me series.
Which one is not basis of classification of data.
The purchasing power of money is equal to:
Using the method of semi-averages, secular trend is measured when:
The mean and median of the distribution are 10 and 11 respectively, then the mode equals to
Fundamental principles of design of experiment are (I) Randomization (II) Replication (III) Local control Which option is correct?
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: ...
The average working hours per month of the staff aged over 50 years in a factory were 160 and that of the staff aged under 50 years were 210. The mean work...
The Mean deviation about Median for the given data. 52, 56, 66, 70, 75, 80, 82 is:
For a random variable x, the central moments (µi) of all order exist. The square of (2j + 1)th moment (µ22j+1) is ...
The memory-less property is followed by which of the following continuous distribution:
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 Excess Kurtosis of the Geometric distribution with parameter p is: ...
Let (Xi, I ≥ 1} be independent and identically distributed random variables with P(Xi =1) = p = 1-P(Xi = 0), Sn = ∑ni = 1 X i . The distribution of Sn ...
Which one is parameter from population?
For the given figures of production of a sugar factory, the estimate of the production for 1976 using straight line trend with origin at the year 1972 by t...
Which of the following methods is NOT used in computation of a seasonal index for time series?
The second and fourth moment about mean for a distribution are 4 and 18 respectively. What is the value of Pearson's coefficient of skewness β ₂ ? ...
For the study purpose, the mean of the observations is 148 gm and standard deviation is 17.4 gm. Approximately, the coefficient of variation equals to:
The variance of degenerate random variable is:
Statistics is not applicable to ________ observation.
The mode (correct to two decimal places) for the given data is:
Which of the following is NOT a way of the sampling?
Five persons A, B, C, D and E occupy seats in a row at random. The probability that A and B sit next to each other is:
A Poisson distribution has a double mode at x = 1 and x = 2. The probability for x = 1 or for x = 2 of these two values is:
With reference to index numbers, which of the following statements is true?

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