# Statistics version 8 Deposit great

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Build interval distribution series the following data about the balances on current contributors abacus on January 1 of the year in the bank (rub.):
12108
18306
10286
15107
26904
17005
27000
23717
18300
17990
9000
15949
19305
12611
23007
14000
17313
19117
19670
11020
17120
9800
20911
26986
13540
21227
16707
22300
26660
14510
16880
21200
15070
23901
11503
16660
14900
20500
18910
13110
Subject 2 Objective 14.30
According to the plan, the level of reporting of annual productivity of workers should increase compared with the previous year by 3.0%. Plan on the level of labor productivity exceeded by 2.0%. To determine the actual level of labor productivity, if it is known that last year the level of the annual labor productivity amounted to 170 thousand. Rub.

Topic 3 Task 8
The available data on the number of requests for technical assistance vehicles on days:

11
10
5
9
2
2
8
14
2
July 5
3
4
8
September 14
13
10
4
July 8
11
12
6
5
2
8
6
13
8
8
8
8
5
June 19
2
2
3
February 10
9
8
12
June 11
8
7
2
5
Build: interval number distribution, determining the amount of space grouping formula Sturgess, consistent with the empirical and theoretical distribution by the criterion of Pearson. Formulate conclusions.
Topic 4 Task 8
By way of a random sample examined daily milk production of 50 cows. The survey results are given in the table.
Daily milk yield, kg Number of cows
10-14 5
14-18 15
18-22 20
More than October 22
Total 50
Define:
1) sample data for average daily milk yield per cow.
2) The average sampling error
3) The probability that the determination of the sample average milk yield mistake, do not exceed 1 kg.
Topic 5 Task 49
The available data on industrial production for 2001 - 2006 years. (At constant prices), mln. Rub .:
2001 2002 2003 2004 2005 2006
67.7 73.2 75.7 77.9 81.9 84.4
Define:
1) the average level of a number of speakers
2) Chain and bassist growth rates and bark;
3) the absolute values \u200b\u200bof 1% increment.
Present the results of calculations in tabular form.

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