(f) Suppose you and your business associates rent a store, get a bank loan to start up your business, and do a little research on the size of your sales district and the number of competing stores in the district. If x, = 2.8, X3 = 250, x4 = 3.1, x5 confidence interval for your forecast (if your software produces prediction intervals). (Use 2 decimal places.) 7.3, and x, = 2, use a computer to forecast x, = annual net sales and find an 80% %| %| forecast lower limit upper limit (g) Construct a new regression model with x4 as the response variable and x,, x,, X3, X5, and x6 as explanatory variables. (Use 2 decimal places for the intercept, 4 for X1' 5 for Хз and 3 otherwise.) X4 X1+ X2+ X3+ X5+ X6

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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.