Madras University (UnOM) 2006 M.A Economics Statistics for - Question Paper

Time: 3 hours
Maximum: 100 marks

SECTION-A [5x8=Marks 40]
ans any 5 ques..
All ques. carry equal marks.
every ans should not exceed 300 words.

1. What is meant by census method? Bring out the merits of the use of census method.

2. compute the arithmetic mean for the subsequent data: Sl no. Income (Rs.)
1 280
2 180
3 96
4 98
5 104
6 75
7 80
8 94
9 100
10 75
11 600
12 200

3. describe binomial distribution. Mention the assumptions on which binomial process is developed.

4. What is chi-square test? Write down the conditions for applying this test.

5. Distinguish ranging from point estimates and interval estimates.

6. What is partial correlation? discuss the uses of the partial correlation.

7. What is Paasche’s Price Index? Mention the difficulties in the construction of this index.

8. Write down the merits and limitations of moving averages.

SECTION-B [3x20=Marks 60]

ans any 3 ques.. All ques. carry equal marks. every ans should not exceed 1,200 words. 9. Estimate the co-efficient of kurtosis for the subsequent data and comment on the value found.
X: 4.5 14.5 24.5 34.5 44.5 54.5 64.5 74.5 84.5 94.5
f: one five 12 22 17 nine four three one one

10.Calculate Karl Pearson’s coefficient of correlation for the subsequent data: Year Income Expenditure
1968 249 237
1969 251 238
1970 248 236
1971 252 240
1972 258 245
1973 269 255
1974 271 254
1975 272 252
1976 280 258
1977 275 251

11. obtain out the regression lines for the subsequent data:
X: six two 10 four eight
Y: nine 11 five eight seven

12. define consumer price index: Construct the consumer price index for the subsequent data for 1979 with 1978 as base:
Price (In Rs)
Group 1978 1979
A 20.00 24
B 1.25 1.50
C 5.00 8.00
D 2.00 2.25

13. Fit the straight line pattern for the subsequent data by lowest square method, obtain the value for 1982.
1974 38
1975 40
1976 65
1977 72
1978 69
1979 60
1980 87
1981 95

Earning:   Approval pending.