IDZ Ryabushko 19.2 Option 11

IDZ Ryabushko 19.2 Option 11

Solution of IDZ Ryabushko 19.2 - Variant 11

Section: Chapter 19. Elements of Mathematical Statistics
Topic: Correlation and regression
Description: Construction of the equation of a regression line from a correlation table, calculation of the sample correlation coefficient, construction of an empirical regression line.

Tasks:
1. A table of the distribution of n factories by production assets X (thousand monetary units) and by daily output Y (tons) is given. It is known that there is a linear correlation between X and Y. It is required: a) to find the equation of the regression line of y on x; b) to construct the equation of the empirical regression line and the random sample points (X, Y).

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