50 pages

TASK number 1
There is evidence of time-customers on the design of consumer credit in large salons electronics city, min .:
Client Time spent on the design of customers of consumer credit
1 21.5
2 21.5
3 24.5
.....
32 22.6
33 29.4
34 22.2
Based on the data to build a variation number interval distribution customers time-consuming loan processing using regular, closed intervals (5 intervals). The results take the form of group tables and graphically. Type choose your own schedule.

OBJECTIVE number 2
There is evidence of sales companies in the region for the year:
The company number one enterprise number 2
Of sales of sales mln. Rub. in% of the plan in% to the previous year mln. rubles. in% of the plan in% to the previous year
125 103 119.8 127 120 121.0
Identify: 1. The relative values \u200b\u200bof the target figure for each company;
2. The average of the two companies the relative performance levels of dynamics, the planned target, the plan;
3. The relative values \u200b\u200bof the structure - the proportion of production of each company in the total volume of sales on the plan and actual.

TASK number 3
The table shows the libraries of St. Petersburg and Leningrad region at the beginning of 2006 .:
Region Number of libraries at the beginning of the year Number of books on average per one library, thou. Copies Number of books on one reader the number of readers per 1000 inhabitants
St. Petersburg 286 296 183.9 38.8
Leningrad region 470 17.2 339 14.5
Calculate the average for the two regions: the number of books in a library; the number of books per reader; the number of readers per library; the number of readers per 1,000 inhabitants; the number of books per capita.

TASK number 4
On the basis of the distribution of a number of variations, built in task 1, to determine:
 the average level of aggregate customer time spent on the design of consumer credit;
 structural averages;
 indicators of the size and intensity variation.

TASK number 5
Using the results of calculations performed in the job 4, and assuming that the job data 1 obtained by a random selection of 10% -bespovtornogo determine:
1. limits, for which a confidence level of 0.954 will not cost the average value of the customer's time to processing the loan, calculated by the general population;
2. how to change the sample size, to reduce the margin of error average value of the time spent on loan at 20%?
3. The limits beyond which the population will not share value customers who exceed individual characteristic value mode (confidence level 0.997);
4. How to change the size of the sample, if the lower limit error percentage of clients whose individual value exceeds the characteristic fashion, at 20%?

TASK number 6
There are data on the dynamics of average prices in the secondary market by districts of St. Petersburg, 2006 (rub. Per m2):
Month Vyborg district,
Average prices on the secondary housing market
January 30538.3
February 31076.4
....

TASK number 7
There is some data that characterize the dynamics of an indicator in the Russian Federation in 2000-2005. In the table you want to restore the missing data. Calculate the average dynamo: the average level of the series, the mean absolute change, the average growth rate and the average growth rate. Draw conclusions ....

TASK number 8
There is evidence of the sale of the products in the retail trade for two periods:
Products Unit. rev. Goods sold, thousand. Units. The selling price per unit., Rubles.
the base period of the reporting period the base period the reporting period
A kg 69 65 40 42
B L 33 35 30 35 .....

TASK number 9
There are data on the costs of population and consumer price indices in the region over two years:
Groups spending Household spending, bln. Rub. Price indices,%
the base year reporting period
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