81. Consider the following information.
Commodity
Price in 2015 (Rs.)
Price in 2016 (Rs.)
A
50
70
B
40
60
C
80
90
D
110
120
E
20
20
If we go on constructing an index number for the year 2016, taking year 2015 as base, what will be the value?
| Commodity | Price in 2015 (Rs.) | Price in 2016 (Rs.) |
| A | 50 | 70 |
| B | 40 | 60 |
| C | 80 | 90 |
| D | 110 | 120 |
| E | 20 | 20 |
82. Questionnaire is a:
83. If a construction company claims that 40% of all residences being built are 2 bedroom homes, the null hypothesis is
84. Monthly expenditure of five persons in rupees are 132, 140, 144, 136 and 138. What will be its arithmetic mean?
85. Poisson distribution is applied for:
86. Which of the following should be taken as the main features of an ideal average?
1. Easy to Understand and Simple to Compute
2. Rigidly Defined
3. Based on the minimum number of items in the data
4. Not to be Unduly Affected by Extreme Items
5. Capable of Further Algebraic Treatment
6. Less Sampling Stability
1. Easy to Understand and Simple to Compute
2. Rigidly Defined
3. Based on the minimum number of items in the data
4. Not to be Unduly Affected by Extreme Items
5. Capable of Further Algebraic Treatment
6. Less Sampling Stability
87. $${\gamma _2}$$ coefficientis equal to
88. Which of the following statements is/are true about a population in statistics?
1. Population is the total number of items under observation.
2. Parameter is a characteristics of population.
3. Each unit in a population possess same characteristics.
1. Population is the total number of items under observation.
2. Parameter is a characteristics of population.
3. Each unit in a population possess same characteristics.
89. What part of the standard deviation is the mean deviation?
90. For a symmetrical distribution:
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