Practice Statistics Questions and Answers
- Which of the following is not true for geometric mean?
- The variance of first n natural numbers is -
- The most appropriate measure to compare the consistency of two series is -
- A given data has mean = 6.5, median = 6.3 and mode = 5.4. It represents -
- The most appropriate diagram to represent data relative to monthly expenditure on different items of a family is -
- If Q₁, Q₂ and Q₃ are three quartiles of a frequency distribution, which of the following holds if the distribution is negatively skewed?...
- For discrete distribution, the co-efficient of kurtosis β₂ is -
- A systematic sample does not yield good result, if -
- From a population containing 30 units, 5 units are drawn by simple random sampling without replacement. The probability same specified unit included in the...
- Which of the following is Non-governmental Statistical Organisation?
- Laspeyre's formula has ___________ bias and Paasche's formula has _________ bias.
- The Drobish-Bowley price index formula is the -
- The main aim of agricultural census is -
- Which of the following is yearly publication of CSO?
- If the salary of a person in the base year is Rs. 2000 per annuli and in the current year Rs. 5000. The CPI is 325, then the allowance required to maintain...
- In 1949, the Chairman of National Income Committee was -
- At the centre multipurpose socio-economic surveys are mainly conducted by -
- Infant mortality rate is the ratio of -
- Which of the following statement is false?
- A population is said to be stationary, if -
- Which of the following statement is true for NRR?
- byx and bxy are two regression coefficients. If byx > 0, then bxy will be -
- Suppose for estimating y, the equation Ŷ= 5 – 2x calculations are made on a given set of data, which of the following is true for this situation?
- Two random variables x and y have the following regression equations - 3x + 2y – 26 = 0 6x + y – 31 = 0 then, the mean values of x and y are respective...
- If x and y are two random variables and a, b, c, d are any numbers provided a ≠ 0, c ≠ 0, then correlation co-efficient between ax + b and cy + d is -...
- Which of the following statement is not true?
- The trend line with 1975 as origin is Y = 20.6 + 1.68X, the trend line with 1971 as origin will be -
- Which of the following methods to measure seasonal variations comparatively utilizes the given data less?
- Residual method is used to measure -
- For the given 6 values 15, 24, 18, 33, 42, 54, the three yearly moving averages are -
- Supply Curve is a part of -
- Which of the following is not a cause of rightward shift of demand curve?
- As per the Agricultural Census 2015-16, total number of operational land holdings in Rajasthan was -
- Which of the following statement is not true?
- Which of the following is a second-order condition of short-run equilibrium of firm under perfect competition?
