MUBINT Statistics Var 9

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Uploaded: 12.07.2013
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Objective 1

The following data sample survey of 24 parts of the plant engineering.
Swipe grouping items in length, forming 5 groups with equal intervals
Give a graphic representation of the sample, build the landfill, the histogram cumulates.
Calculate Optional Features:
Sample mean
Sample variance, sample standard deviation
Fashion and median
Coefficient of variation
With a probability of 0.95, calculate the margin of error and sample proportion border the share of components is no longer than 1.5 m.
Task 2


There is evidence of the amount of precipitation during the growing season.
1. Absolute and relative (basic and chain) level indicators of a number of speakers.
Objective 3

Install the closeness of the relationship between y and x signs for this:
1. Define the parameters of the regression equation, assuming a linear relationship
2. Calculate the linear correlation coefficient and the coefficient of determination.

Task 4

From the data of market information to determine the following basic and chain indices:
1. Individual
a) the physical volume of goods «b» Market D
b) the price of goods «b» Market C
c) The turnover of goods «b» Market C.
2. The arithmetic mean of price:
A) Product «a» Markets A-D, weighted by sales volume;
B) common goods "a", "b", "c" market A.
3. Aggregate market turnover A.
Objective 5

The movement of population in the region is characterized by the following data:
The population at the beginning of the year - 4900
The population at the end of the years - 5100
The number of women aged 15-49 at the beginning of the year - 1630
The number of women aged 15-49 at the end of the year - 1670
During a year:
-genus -41
- Died -55
Deaths of children under years - 0.49
-pribylo from other regions - 2.22
Disposed in other areas -3.57
Marry - 6.05
Concluded divorce - 8.34
To determine the coefficients of natural and mechanical movement of the population.
Task 6

The average monthly wage of workers in the field of current prices in the base year amounted to 5 thousand. Rub. 5.6 thousand in the reporting. rub. Consumer prices in the reporting year compared with the base increased by 22%. The share of taxes in wages in the base year was 10%, 13% in the reporting. Calculate the index of purchasing power of money, the nominal wage; real wages.

Target 7

The following data thousand.
- Mid-year population - 233
Total employed in the economy - 101
The number of unemployed - 14
Determine the number of economically active population, the coefficients of the economically active population, employment, unemployment.
Target 8

The amount of the payroll for all employees of the organization calendar days of the reporting period amounted to 99 740 people., Holidays and weekends 17540 man-days next holiday 6920 man-days actually worked 79,610 man-days. Determine the funds and time factors of working time.
Target 9

In the reporting period the production activity of the company is as follows:
Finished Products - 8000
Semi-finished products - 2300
Consumption of semi-finished products for own needs - 2000
Implemented semis - 0
Sold finished products - 7500
The works of an industrial nature on orders from - 120
Remains of work in progress at the beginning of the year - 150
At the end of the year - 120
Determine the gross output elementwise method.

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