MUBINT Statistics Control Option 5

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Sold: 1 last one 26.05.2011
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Uploaded: 24.02.2011
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Task 1
The available data on the production of the same product in three workers (tab. 5). Determine the average time per unit of production.
Table 5
Initial data
Working Time spent per unit of production, min. The amount of output, pcs.
Ivanov PI 48800
Glebov KK 50550
Zubov IE 40350

Task 2
In order to study the yield of sunflower in the field of collective held a 5% sample survey of 100 hectares of crops, selected at random, which resulted in the following data (tab. 6).
1. On the basis of these data, calculate: the average yield from 1 ha of sunflower, variance, standard deviation and coefficient of variation.
2. With a probability of 0.997, determine:
a) limiting the average sampling error and possible limits within which expected average yield of sunflower in the field
b) border, where the proportion of crops is expected in the population with a yield of not less than 17 kg / ha
Activity 3
Mining and production of gas in the region is characterized by the following data (Table. 1). To analyze the extraction and production of gas in the region over the period 1995-2000. The absolute increase, growth rates and rates of growth over the years and by 1995, the value of one percent growth. These figures present in the table. Find the average number of annual average absolute increase, the average annual rate of growth and change for the period 1995-2000. and 1990-1995 years.
Task 4

There is evidence of the plant:

Product Name Released machines units General production costs, CU Cost of units., CU




2006 2007 2006 2007 2006 2007







Machine A 1500 2000 30 60 0.02 0.03 40
Machine B 800 500 50 200 0.4 0.0625 31.25
Machines in 1000 900 60 360 0.06 0.4 204
Total 3300 3400 140 620 275.25
Task 5
The available data on the release of the same name on two production plants (tab. 12). Define:
1. Indices of cost variable and fixed compositions
2. The index of structural change

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