e. Find the critical value for 99% confidence level based on your computed sample size.

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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Question
100%
ANSWER ONLY E. Please answer it correctly, neatly, and completely.
2009
66
16
74
61
2010
60
33
953
90
Given: sample mean = 225
Standard deviation = 442.9413
n = 20
Albay
2011
54
28
584
64
a. Find the margin of error using confidence level of 99%.
b. Construct a 99% confidence interval
2012
51
13
230
90
d. How many crimes must be included in your sample if you want a 99% confident?
e. Find the critical value for 99% confidence level based on your computed sample size.
2013
51
35
1838
114
Transcribed Image Text:2009 66 16 74 61 2010 60 33 953 90 Given: sample mean = 225 Standard deviation = 442.9413 n = 20 Albay 2011 54 28 584 64 a. Find the margin of error using confidence level of 99%. b. Construct a 99% confidence interval 2012 51 13 230 90 d. How many crimes must be included in your sample if you want a 99% confident? e. Find the critical value for 99% confidence level based on your computed sample size. 2013 51 35 1838 114
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