Data were collected on the amount spent by 64 customers for lunch at a major Houston restaurant. These data are contained in the file Houston. Based upon past studies the population standard deviation is known with? = $6.20.5014.6323.7729.9629.4932.709.2020.8928.8715.7818.1612.1611.2216.4317.669.5918.8919.8823.1120.1120.3420.0830.3621.7921.1819.2234.1327.4936.5518.3732.2712.6325.5327.7133.8121.7919.1626.3520.0126.8513.6317.2213.1720.1222.1122.4720.3635.4711.8517.886.8330.9914.6218.3826.8525.1027.5525.8714.3715.6126.4624.2416.6620.85(a)At 99% confidence, what is the margin of error in dollars? (Round your answer to the nearest cent.)$(b)Develop a 99% confidence interval estimate of the mean amount spent for lunch in dollars. (Round your answers to the nearest cent.)$ to

The margin of error at 99% confidence is 1.93. Explanation:Instructions to obtain the margin of…

Answered: Data were collected on the amount spent…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Data were collected on the amount spent by 64 customers for lunch at a major Houston restaurant. These data are contained in the file Houston. Based upon past studies the population standard deviation is known with

? = $6.

20.50	14.63	23.77	29.96	29.49	32.70	9.20	20.89
28.87	15.78	18.16	12.16	11.22	16.43	17.66	9.59
18.89	19.88	23.11	20.11	20.34	20.08	30.36	21.79
21.18	19.22	34.13	27.49	36.55	18.37	32.27	12.63
25.53	27.71	33.81	21.79	19.16	26.35	20.01	26.85
13.63	17.22	13.17	20.12	22.11	22.47	20.36	35.47
11.85	17.88	6.83	30.99	14.62	18.38	26.85	25.10
27.55	25.87	14.37	15.61	26.46	24.24	16.66	20.85