Statistics SPbGUTD Option 2 control

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Uploaded: 08.12.2014
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Objective 1
The available data on 25 commercial banks:
Number banks issue loans to enterprises and organizations, million rubles. Interest rate,%
1 23.6 17.1
2 19.6 20.3
3 37.5 11.0
4 23.5 17.3
5 21.6 19.6
6 13.3 23.6
7 31.2 14.6
8 23.6 17.5
9 17.5 20.8
10 35.5 13.6
11 12.5 24.0
12 30.2 15.0
13 16.1 21.1
14 23.4 17.6
15 29.7 15.8
16 21.9 18.8
17 15.2 22.4
18 27.9 16.1
19 22.3 17.9
20 22.2 18.0
1 27.1 16.4
22 11.0 26.0
23 22.1 18.4
24 36.5 12.2
25 33.9 13.9
By analytical groups reveal the nature of the relationship between the interest rate and the size of the loan issued to form five groups of banks factorial basis at regular intervals.
The results present a separate table. Write a brief summary.

Task 2
There are data on the financial performance of the two firms in two periods:
Number of firms Base period Current period
Earnings per share, p. Number of shares
thous. pcs. Earnings per share, p. The amount of profit, thousand. P.
1 8.0 40 9.0 810
2 5.0 60 8.0 480

Determine the average profit of the two companies in each period.

Objective 3
Wool production in Russia in 1995-2001. characterized by the following data:
Year 1995 1996 1997 1998 1999 2000 2001
Wool, thous. Tonnes
95
110
101
64
69
73
71

To analyze the dynamics of the production of wool, calculate:
1) the average annual production of wool;
2) absolutely easy, the pace of growth and change over the years and by 1995, the absolute content of one percent growth. These figures present in the table;
3) the average annual absolute increase, the average annual growth rate of growth and wool production.
Plot wool production in Russia in 1995-2001 years.
Draw conclusions.

Task 4
Known outdoor temperatures:
6 am - 3
8 am - 5
10 am - 7
12:00 am - 11
14 am - 11
16 am - 10
18 am - 9 +
Determine the mean air temperature during this period.

Objective 5
In order to determine the average length of service of workers in the company were held 5% -e irrevocable sample survey. We obtained the following information:
Work experience, years in the number of workers people.
February 1
May 2
April 3
May 10
August 15
October 12
Over March 10

Specify the interval in which the average value of the time in the enterprise. The level of warranty probability set independently.

Task 6
Dynamics of average prices and volume of sales on the market of the city is characterized by the following data:
Item Name of goods sold Average price per unit, p.
March April March April
Milk, l 6000 5500 14 15
Cottage, 900 kg 1100 60 70
Sour cream, kg 1500 1350 40 35

Identify common codes: trade, prices, turnover volume.

Additional information

Decisions Control work. 13 pages

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