Статистика, вариант 4

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Uploaded: 29.04.2013
Content: 30429155445443.zip (43,75 kB)

Description

Objective 1.
Determine the performance variations and the relationship between the average value of assets and profits, using analysis of variance, with the following initial data:
The average annual number of the enterprise value of fixed assets, mln. Rub. Profit, mln. Rub.
1
2
3
4
5
6

110-160 7.9
7.9
9.3
10.8
9.7
7.0
7
8
9
160-210 6.3
11.9
7.9
10
11
12
13
14

210-260 10.2
8.5
21.3
12.6
21.7
15
16
17
18
19
20

260-310 11.0
12.1
12.1
15.0
25.9
19.8

Objective 2.
In the machine shop the company has 30 teams of 20 people each. To determine the proportion of the working shop, do not meet the norm of development, carried out a serial sampling without replacement selection. Dispersion serial sampling (mezhseriynaya dispersion) is 0.016.
Determine the required sample size to 0.683 with probability sampling error does not exceed 5%.

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