TSU Statistics Option 7 for LGU TSU

TSU Statistics Option 7 for LGU TSU

Problem 1. The following conditional data on wheat yield in the 30 surveyed farms:
27.5 19.5 28.5 18.5 20.1 31.2 30.1 30.3 30.5 30.7
23.5 29.6 24.7 23.1 21.2 23.8 32.2 31.3 28.0 27.9
17.4 25.8 30.5 27.2 22.3 24.9 26.8 33.1 33.4 29.9

1.Postroyte interval variation series at equal intervals, selecting 5 groups of farms in terms of yield.
2.Rasschitayte accumulated (cumulative) frequency.
3. The results of groups present in the form of statistical tables.
4.Izobrazite number graphically using a histogram of the distribution.

Problem 2. According to available data to determine the total variance, if it is known that the coefficient of determination is 0.753.





Number
Groups







Groups
trucking companies
cargo turnover,
million tonnes-km
The turnover of goods of motor transport enterprises
trucking companies,
million tonnes-km Profit trucking companies,
thousand den. u

The average for the group
Freight turnover
trucking companies,
million tonnes-km Profit trucking companies,
thous. den. u

1 10.4 48.3 58.1 7 6.9 8.3
2 6 10-16 68.4 88.8 11.4 14.8
16-22 3 5 94.0 18.8 27.3 136.5
4 7 22-28 185.5 221.9 26.5 31.7
Total 25 396.2 505.3 15.8 20.2

Problem 3. There is evidence of the provision of services to the service station:

Services Revenue thousand. Den. u
Changes in average prices
in the second quarter
compared
with the first quarter,%.

1Q
Q2
Diagnostics 600.0 640.0 + 12
Repair 480.0 570.0 -18

The sum of:
1. General Index of sales of services.
2.Summu savings (or cost overruns) received by the population from price changes.
3.Obschy volume index.
Draw conclusions.
Problem 4. In a small town the number of unemployed men aged 40-50 years is 1,900. With a probability of 0.954, determine the limits of time of job search, if you know that according to a 5% random sample repetitions average job search period of 3.4 months, and the standard deviation is less than 1 month.
Problem 5. There is evidence of the average monthly wage (without social benefits) by economic activity for January-November 2010.
rubles
Total 20584
including:
agriculture, hunting and forestry 10410
mining 38216
manufacturing 18738
pulp and paper industry;
publishing and printing 20188
production of coke and petroleum products 40825
production of petroleum products 43251
chemical production 22436
construction 21519
wholesale and retail trade; repair of motor vehicles, motorcycles, household goods and personal items 19042
hotels and restaurants 14063
transport and telecommunications 25247
financial activities 47611
Public administration and
military security; social insurance 23764
education 13632
health and social services 15371
Source. [Http: \\\\ www / gks.ru]
Define:
-sootnosheniya average monthly wage of workers of education and the average wage in the Russian Federation;
-sootnosheniya average monthly wage of employees of the financial sphere the average wage in the Russian Federation;
To identify the scope of variation of wages;
-coefficient of variation.
The decision to issue in the table. Draw conclusions.

Problem 6. Based on the following data, build the capital account, and define the net lending or net borrowing.
Indicator mln. Rub.
(Current prices)
Gross saving 13140056.9
Capital transfers from "the rest of the world" 25427.5
Capital transfers, the "rest of the world" (-) 18,064.1
Gross fixed capital 9,136,414.6
The change in inventories 1506145.6

TSU Statistics Option 7 for LGU TSU
TSU Statistics Option 7 for LGU TSU
TSU Statistics Option 7 for GMU