The mean cost of a meal for two in a midrange restaurant in City A is $40. How do prices for comparable meals in Hong Kong compare? The file HongKongMeals contains the costs for a sample of 42 recent meals for two in Hong Kong midrange restaurants. 22.78 33.89 22.77 18.04 23.29 35.28 42.38 36.88 38.55 41.68 25.73 34.19 31.75 25.24 26.32 19.57 36.57 32.97 36.83 30.17 37.29 25.37 24.71 28.79 32.83 43.00 35.23 34.76 33.06 27.73 31.89 38.47 39.42 40.72 43.92 36.51 45.25 33.51 29.17 30.54 26.74 37.93 (a) With 95% confidence, what is the margin of error for the estimated mean cost in dollars for a mid-range meal for two in Hong Kong? (Round your answer to the nearest cent.) $ (b) What is the 95% confidence interval estimate of the population mean cost in dollars for a mid-range meal for two in Hong Kong? (Round your answers to the nearest cent.) $ to $ (c) How do prices for meals for two in mid-range restaurants in Hong Kong compare to prices for comparable meals in City A restaurants? The mean cost for a mid-range meal for two in City A is ---Select--- below the lower limit of higher than the upper limit of within the 95% confidence interval for comparable meals in Hong Kong. This suggests mean cost of comparable meals in Hong Kong is ---Select--- greater than possibly the same as less than in City A.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.1: Measures Of Center

Problem 3BGP

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The mean cost of a meal for two in a midrange restaurant in City A is $40. How do prices for comparable meals in Hong Kong compare? The file HongKongMeals contains the costs for a sample of 42 recent meals for two in Hong Kong midrange restaurants.

22.78	33.89	22.77	18.04	23.29	35.28	42.38
36.88	38.55	41.68	25.73	34.19	31.75	25.24
26.32	19.57	36.57	32.97	36.83	30.17	37.29
25.37	24.71	28.79	32.83	43.00	35.23	34.76
33.06	27.73	31.89	38.47	39.42	40.72	43.92
36.51	45.25	33.51	29.17	30.54	26.74	37.93

(a)

With 95% confidence, what is the margin of error for the estimated mean cost in dollars for a mid-range meal for two in Hong Kong? (Round your answer to the nearest cent.)

(b)

What is the 95% confidence interval estimate of the population mean cost in dollars for a mid-range meal for two in Hong Kong? (Round your answers to the nearest cent.)

$ to $

(c)

How do prices for meals for two in mid-range restaurants in Hong Kong compare to prices for comparable meals in City A restaurants?

The mean cost for a mid-range meal for two in City A is ---Select--- below the lower limit of higher than the upper limit of within the 95% confidence interval for comparable meals in Hong Kong. This suggests mean cost of comparable meals in Hong Kong is ---Select--- greater than possibly the same as less than in City A.

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