Cross-correlation analysis of the productivity of sugar beets and factors, that it is formed

Автор: Пользователь скрыл имя, 18 Ноября 2011 в 21:21, курсовая работа

Описание работы

Statistics are social science, which studies the quantitative side of the high-quality certain mass socio-economic phenomena and processes, their structure and distributing, placing in space, direction and speed of time-histories, tendencies and conformities to law of motion, closeness of intercommunications and interdepends.
The quantitative side of any public phenomenon is indissolubly related to his high-quality aspects, because a quantitative dimension does not exist without high-quality definiteness.

Содержание

Entry.............................................................................................................................................4
1. An object, task of statistics, its organization, short history of development and connection, is with other sciences........................................................................................................................................ 5
1.1. An object, task of statistics and its connection, is with other sciences..................................5
1.2. Short history of development of statistics..............................................................................7
2. Statistical estimation of indexes of products of stock-raising and factors, that on it influence.......................................................................................................................................9
2.1. System of indexes of statistics of stock-raising and method of their calculation....................................................................................................................................9
2.2. Statistical groupings and their kinds....................................................................................11
2.3. Distributing rows and them graphic image..........................................................................15
2.4. Summarizing the indexes of distributing rows......................................................................21
2.5. Variation of signs and indexes of their measuring...............................................................29
2.6. Verification of accordance of distributing of frequencies of empiric row to distributing
Theoretical..................................................................................................................................36
2.7. Selective method....................................................................................................................37
3. Cross-correlation analysis of the productivity of sugar beets and factors, that it is formed...........................................................................................................................................40
3.1. Grade correlation..................................................................................................................40
3.2. Linear regression. Determination of parameters of connection and them economic interpretation.................................................................................................................................43
3.3. Measuring of intensity of correlation. Coefficient of simple correlation and his maintenance.................................................................................................................................. 48
3.4. Plural correlation...................................................................................................................50
Conclusions....................................................................................................................................56
List of the used literature...............................................................................................................57