Applied Statistics [ISS (Statistical Services) Statistics Paper III]: Questions 12 - 18 of 67
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Question 12
Appeared in Year: 2009
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Describe the Yule -Slutsky effect of moving average operation on the random component of a time series.
EditQuestion 13
Appeared in Year: 2011
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For the following table:
Commodity
A | B | |
1 | 1 | |
10 | 5 | |
2 | x | |
5 | 2 |
Where p and q stand for price and quantity for 0 and 1 time periods respectively. Find the value of X if the ratio between Laspeyre՚s (L) and Paasche՚s (P) index number is L: P:: 28: 27
EditQuestion 14
Appeared in Year: 2011
Describe in Detail Subjective▾
Explain the errors in the measurement of price and quantity index number.
EditExplanation
All index numbers are affected by mainly three types of errors.
- Formula error
- Sampling error
- Homogeneity error
Formula error:
There is no universally accepted index number formula that will measure the price or quantity changes excatly. Each formula in common use has its own defeat and consequently some error is natural in all index number formula. This…
… (213 more words) …
Question 15
Appeared in Year: 2011
Describe in Detail Subjective▾
Explain moving average [m, p] . Let with p = 1 and m = 2k + 1, obtain the coefficient of and [m, p]
EditExplanation
Moving average: moving average method is a simple and flexible method for measuring trend. It consists in measurement of trend by smoothing out the fluctuations of the data by means of a moving average.
The first element of the moving average is obtained by taking the average of the initial fixed subset of the number series i.e.. the first average i…
… (240 more equations) …
Question 16
Appeared in Year: 2010
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Discuss briefly the steps involved in the construction of cost of living index number.
EditQuestion 17
Appeared in Year: 2010
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Discuss the ratio to trend method for separating the seasonal component in a time series.
EditQuestion 18
Appeared in Year: 2010
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What is C. S. O. ? Describe briefly the role and importance of C. S. O. for execution of Indian statistical data.
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