Economist, studying the dependence of the level of distribution costs

Economist, studying the dependence of the level of distribution costs at the (thous. Rub.) Of the volume of trade x (thous. Rub.), Examined 10 shops selling the same range of products in different regions. The data obtained are shown in Table 2 1.Zadanie.

Define the parameters of the linear regression function and record a linear relationship.

Task 10.

Build confidence intervals for the forecast of the significance level of 0.05.