(d) Make a prediction for Sales when FloorSpace = 118, Competing Ads = 109, and Price = 1,336. (Enter your answer in thousands. Round your answer to 2 decimal places.) Section Exercise 13 - 2 (Algo) Observations are taken on sales of a certain mountain bike in 30 sporting goods stores. The regression model was Y = total sales (thousands of dollars ), x₁ display floor space (square meters), x2 = competitors' advertising expenditures (thousands of dollars), x3 = advertised price (dollars per unit). C c Section Exercise 13-2 (Algo) Observations are taken on sales of a certain mountain bike in 30 sporting goods stores. The regression model was Y= total sales (thousands of dollars), X₁ =display floor space (square meters). X2 competitors' advertising expenditures (thousands of dollars), X3= advertised price (dollars per unit). Predictor Coefficient Intercept FloorSpace CompetingAds 1,294.83 11.43 -6.935 Price -0.1434

B A X D C

2x² + 2x + 2 . Evaluate. x2 +2

J4ー Ax

ab N Dixe - 2x0 Wox

Solue for 4x²-16 z O

Find x1 and x2- 4 1 2 2 -2 6 X2 x1 2=

can you do viii

Identifying individuals with a high risk of Alzheimer’s disease usually involves a long series of cognitive tests. However, researchers have developed a 7-Minute Screen, which is a quick and easy way to accomplish the same goal. The question is whether the 7-Minute Screen is as effective as the complete series of tests. To address this question, Ijuin et al. (2008) administered both tests to a group of patients and compared the results. The following data represent results similar to those obtained in the study:   Patient            7-Minute         Screen Cognitive Tests  A                            3                           11  B                            8                           19  C                          10                           22  D                            8                          20  E                            4                           14  F                            7                           13  G                           4…