IDZ Ryabushko 19.2 Option 19
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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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- Updated on the site 02.07.2024
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IDZ Ryabushko 19.2 Option 19
Cumulative discount
| 200 $ | the discount is 40% |
| 150 $ | the discount is 30% |
| 100 $ | the discount is 25% |
| 70 $ | the discount is 20% |
| 40 $ | the discount is 15% |
| 20 $ | the discount is 10% |
| 10 $ | the discount is 7% |
| 5 $ | the discount is 3% |
Amount of purchases from the seller: $
Your discount: %
Cumulative discount
| 200 $ | the discount is 40% |
| 150 $ | the discount is 30% |
| 100 $ | the discount is 25% |
| 70 $ | the discount is 20% |
| 40 $ | the discount is 15% |
| 20 $ | the discount is 10% |
| 10 $ | the discount is 7% |
| 5 $ | the discount is 3% |
Amount of purchases from the seller: $
Your discount: %
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