| Class XI |
Economics |
Statistics for Economics |
6 |
which pair of judges has 4 2 2 4 5 4 1 1 the nearest approach to common perception of beauty. Total 10 Competitors Substituting these values in for... |
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| Class XII |
Accountancy |
Computerised Accounting System |
2 |
an arithmetic expression is recorded in a cell. The intersection of arow and a column is called a cell. A cell is identified by a combination of a ... |
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| Class XI |
Economics |
Statistics for Economics |
6 |
Once the ranking is complete 8 12 –4 16.00 formula (4) is used to calculate rank 9 10 –1 1.00 10 8 2 4.00 correlation. 11 10 1 1.00 Case 3: When th... |
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| Class XI |
Economics |
Statistics for Economics |
6 |
discussed some techniques Activity for studying the relationship between two variables, particularly the linear • Collect data on marks scored by r... |
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| Class XI |
Economics |
Statistics for Economics |
6 |
3. If r xyis positive the relation between X and Y is of the type (i) When Y increases X increases (ii) When Y decreases X increases (iii) When Y i... |
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| Class XI |
Economics |
Statistics for Economics |
6 |
coefficient between X and Y and comment on their relationship: X –3 –2 –1 1 2 3 Y 9 4 1 1 4 9 (Ans. r = 0) 20. Calculate the correlation coefficien... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
C HAPTER Index Numbers commodities have changed. Some Studying this chapter should items have become costlier, while others enable you to: have bec... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
NUMBER The Aggregative Method The formula for a simple aggregative In the following sections, the principles of constructing an index number will p... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
will have different commodities is large, which is common implications for the overall change in in any real market situation. A price the price in... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
from the base period quantities, the index number using current period weights gives a different value of the index number. Example 2 ΣP1 1 P01 = Σ... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
current period to depending on the formula used. These that in the base period, usually expressed in percentage terms. The are, essentially, the va... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
if = 1 the industrial worker was spending = 40 × 200 + 30 ×120 + 20 ×125 +10 ×150 Rs 100 in 2001 for a typical basket of 100 commodities, he needs ... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
23 92.00 920.00 Cloth 20 75 65 86.67 1733.40 Rent 15 30 30 100.00 1500.00 Misc. 20 40 45 112.50 2250.00 9786.85 Reprint 2026-27 96 STATISTICS FOR E... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
inflation. In addition, these indices are available at the state level. The Consumer Food Price Index (CFPI) is the same as the Consumer The detail... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
goods manufactured. are included. The main types of goods and their weights are as follows: While the price indices were essentially weighted avera... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
in the IIP. 1978–79 as base. The value of the sensex is with reference to this period. TABLE 7.5 Weightage Pattern of IIP (Industrial Production Se... |
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| Class XI |
Economics |
Statistics for Economics |
8 |
Distribution Frequency distribution of two variables. Census Method A method of data collection, which requires that observations are taken on all ... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
inappropriate, Activity when one needs a value index. • Besidesthis,theitemsarenotequally • Collect data from the local important for different gro... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
which depends on the nature the rate of inflation. Inflation is a general of question to be studied. The only and continuing increase in prices. If... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
has the same purchasing power as Rs 7. C ONCLUSION Estimating index number enables you 10,000 in January, 2005. If he/she to calculate a single mea... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
the index will be (i) small (ii) large (iii) uncertain 4. A consumer price index measures changes in (i) retail prices (ii) wholesale prices (iii) ... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
person in the base year is Rs 4,000 per annum and the current year salary is Rs 6,000, by how much should his salary be raised to maintain the same... |
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| Class XI |
Economics |
Statistics for Economics |
7 |
4 200 0.18 36 Category 5 1000 0.28 280 3500 338 The mean GST rate as far as this family is concerned is (338)/ (3500) = 0.966 i.e. 9.66% Activity •... |
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| Class XI |
Economics |
Statistics for Economics |
8 |
C HAPTER Use of Statistical Tools Studying this chapter should how statistical tools and methods can enable you to: be used for various types of an... |
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| Class XI |
Economics |
Statistics for Economics |
8 |
objective will be to determine the may like to study about consumer awareness among households, i.e., size and characteristics of your target group... |
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