The estimated regression equation for a model involving two independent variables and 10 observations follows. ŷ = 34.5494 + 0.5507z1 + 0.8334z2 a. Interpret bị and b in this estimated regression equation (to 4 decimals). y changes by 0.5507 when x1 increases by 1 unit and x2 stays the same : bz - Select your answer - b. Estimate y when z = 180 and zz = 310 (to 3 decimals).

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.