Round your answers to two decimal places. Use the critical value with three decimal places. a. At 99% confidence, what s the margin of error? $ b. Develop a 99% confidence interval estimate of the mean amount spent for lunch. $ to $ %24

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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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

This is the data for the question

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 o =
Click on the datafile logo to reference the data.
DATA file
Round your answers to two decimal places. Use the critical value with three decimal
places.
a. At 99% confidence, what is the margin of error?
2$
b. Develop a 99% confidence interval estimate of the mean amount spent for lunch.
2$
to $
Transcribed Image Text: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 o = Click on the datafile logo to reference the data. DATA file Round your answers to two decimal places. Use the critical value with three decimal places. a. At 99% confidence, what is the margin of error? 2$ b. Develop a 99% confidence interval estimate of the mean amount spent for lunch. 2$ to $
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