a. Plot scatterplots of the cost and the predictors. Check model form.

• Scatterplots tab with scatterplots between cost and all the other variables. Place the best model from left to right. Include the linear simple equation model and its R^2. Combine scores and estimate a model predicting cost using the combined scores

Restaurant	Food	Decor	Service	Cost	Popularity Index	Cuisine
Gotham Bar & Grill	28	25	27	81	85	American (New)
Mas (Farmhouse)	27	24	27	88	94	American (New)
Union Square Cafe	27	23	26	70	83	American (New)
Four Seasons Restaurant	27	28	27	101	92	American (New)
Saul	27	20	25	69	82	American (New)
Gramercy Tavern	27	26	27	114	100	American (New)
Blue Hill	27	23	27	83	77	American (New)
Craft	26	24	25	82	53	American (New)
Perry St.	26	25	24	69	62	American (New)
Dovetail	26	23	25	74	72	American (New)
Shun Lee Palace	25	22	23	59	40	Chinese
Mr. K's	24	24	23	60	35	Chinese
Shun Lee West	23	21	21	56	31	Chinese
Chin Chin	23	19	23	54	39	Chinese
Mr. Chow Tribeca	22	21	21	76	27	Chinese
Tang Pavilion	22	17	21	41	40	Chinese
Mr. Chow	22	21	21	76	27	Chinese
Shun Lee Cafe	21	18	19	46	22	Chinese
Pig Heaven	20	14	19	39	15	Chinese
La Caridad 78	19	7	14	18	15	Chinese
Daniel	29	28	28	137	100	French
Le Bernardin	29	27	28	146	100	French
Bouley	28	27	27	104	100	French
Eleven Madison Park	28	28	28	117	100	French
Jean Georges	28	27	28	127	100	French
La Grenouille	28	28	28	114	94	French
Caf Boulud	27	24	26	81	75	French
Jack's Luxury Oyster Bar	26	16	23	71	65	French
Tocqueville	25	25	26	78	61	French
Triomphe	25	23	25	69	58	French
Tamarind	25	24	23	58	56	Indian
Amma	24	18	22	48	58	Indian
Yuva	23	19	21	41	32	Indian
Dawat	23	19	21	50	29	Indian
Junoon	23	26	23	71	38	Indian
Salaam Bombay	22	17	19	37	23	Indian
Mint	22	19	19	43	37	Indian
Darbar	21	16	18	36	27	Indian
Tulsi	21	22	20	55	61	Indian
Darbar Grill	21	16	18	36	27	Indian
Marea	28	26	26	101	99	Italian
Del Posto	27	27	27	102	94	Italian
Ai Fiori	27	24	25	93	77	Italian
Scalini Fedeli	27	25	26	90	78	Italian
Il Buco	26	24	23	64	79	Italian
Il Buco Alimentari e Vineria	26	24	23	64	79	Italian
Piccola Venezia	26	17	24	58	57	Italian
Sistina	26	19	23	80	68	Italian
Il Tinello	26	21	26	76	53	Italian
San Pietro	26	21	23	87	56	Italian
Sushi Yasuda	28	22	24	86	90	Japanese
Kuruma Zushi	28	17	25	127	54	Japanese
Sushi of Gari 46	27	15	21	82	59	Japanese
Zenkichi	26	27	25	61	70	Japanese
Nobu 57	26	23	23	83	57	Japanese
Nobu, Next Door	26	23	23	83	57	Japanese
Nobu	26	23	23	83	57	Japanese
Sushiden	25	18	22	58	33	Japanese
Sushiden	25	18	22	58	33	Japanese
Megu	24	26	23	84	45	Japanese
Super Tacos	25	17	22	7	100	Mexican
Toloache	23	17	20	45	37	Mexican
Maya	23	19	20	53	32	Mexican
Oaxaca	20	10	15	15	20	Mexican
Dos Caminos	19	19	18	44	20	Mexican
Alma	19	21	18	37	26	Mexican