Question

Sanwich	Calories	Fat	Sat Fat	Carbs	Sodium
Wendy's Ultimate Chicken Grill	360	7	2	44	1100
Baja Fresh Original Baja Taco with Charbroiled Chicken	370	8	1	53	680
Burger King Smoky BBQ Fire Grilled Chicken Baguette	380	4	2	57	1580
Quiznos Sub Honey Bourbon Chicken on Wheat Bread	400	5	1	57	1040
McDonald's Chicken McGrill	400	16	3	37	1020
Blimpie Grilled Chicken Hot Sub	470	20	4	51	910
Subway Oven Roasted Chicken Breast	470	20	6	46	970
Blimpie Buffalo Chicken Hot Sub	500	24	8	52	2570
Wendy's Spicy Chicken Fillet	510	19	4	57	1480
Taco Bell Ranchero Soft Taco (Two Tacos)	540	30	8	42	1580
KFC Honey Roasted Chicken Tender Wrap	550	23	4	55	1630
Subway Buffalo Chicken Sub	550	30	8	46	1760
Burger King Chicken Whopper	570	25	5	48	1410
Au Bon Pain Arizona Chicken	580	19	7	58	1590
Boston Market Rotisserie Chicken Carver	640	29	7	61	980
Chipolte Soft Tacos with Chicken (Three Tacos)	660	29	12	56	1630
Cosi Grilled Chicken with Tomatoes, Basil, and Mozerella	720	30	11	65	1260
Atlanta Bread Company Chargrilled Chicken Pesto Panini	740	30	16	78	1660
Corner Bakery Cafe Chicken Pomodori Panini	910	40	18	86	1970
Panera Bread Tuscan Chicken on Rosemary & Onion Focaccia	950	56	10	76	2130

Question 1: Chicken Sandwich Data file contains the data on the calories, total fat (in grams per serving), carbohydrates and sodium for a sample of 20 chicken sandwiches from fast-food chains were collected. Based on the above sample of 20 chicken sandwiches from fast food chains,

a. Use the Descriptive Statistics tool to calculate measures of central tendency and dispersion for total fat contained in chicken sandwiches.

b. Describe, in detail, what you learned about total fat in chicken sandwiches.

c. Construct a 95% confidence interval estimate for the population mean total fat, in grams per serving. Interpret the interval constructed.

d. At the 0.05 level of significance, is there evidence that the (population) mean total fat in chicken sandwiches is different from 30 grams? State your hypotheses. Show the steps in your analysis and state your decision – both statistically AND in terms of this problem.

Answer 1