Statistics control work MPEI

Replenishment date: 15.05.2011
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Test
1. What are the main tasks facing Rosstat? What is the structural organization of Rosstat?
2. What is a statistical observation, what is its main task, what are the main stages it consists of?
3. Make a table comparing different types of groupings (tasks to be solved, the number of grouping signs, and other features).
4. There are some initial data: 5, 6, 4, 7, 8, 5, 4, 6, 7, 5, 4, 6, 7, 8, 6, 5, 6. Calculate for them all kinds of power means, demonstrate property of the majorant property of the means.
5. Calculate the structural means for the series in the previous task.
6. Calculate the absolute and relative indices of variation for the series specified in task 4.
7. Available data: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20. Make a 25% random sample repeated and non-repeatable way.
8. Determine how the average selling prices for products have changed, if the amount of products produced in the reporting period compared to the baseline increased by 8,0%, and the total cost of products decreased by 5%.
9. In the reporting year, goods A were sold for 300 million rubles, goods B - for 5 million rubles, goods C - for 412 million rubles, goods D - for 143 million rubles. Calculate the general price index for all goods if it is known that the prices for goods A were reduced by 4%, for goods B remained unchanged, and for goods C and D increased by 3 and 10%, respectively.
10. According to the chain indicators of the dynamics of the volume of passenger turnover by bus enterprises of the city (see the table), calculate the levels of a number of dynamics missing in the table and the missing indicators of dynamics. Fill the table.
Table
The volume of passenger traffic by bus companies in the city. Initial data and indicators of dynamics
Year Passenger turnover, billion passenger-km Absolute growth, billion passenger-km Growth rate Growth rate,% Absolute value of 1% increase, billion passenger-km
1992 127,0 - - - -
1993 1,102
1994 7,1
1995 164,6
1996
1997 9,9 1,75
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