The frequency distribution was obtained using a class width of 0.5 for data on cigarette tax rates. Use the frequency distribution to approximate the population mean and population standard deviation. Compare these results to the actual mean μ=$1.762 and standard deviation σ=$1.112.
The frequency distribution was obtained using a class width of 0.5 for data on cigarette tax rates. Use the frequency distribution to approximate the population mean and population standard deviation. Compare these results to the actual mean μ=$1.762 and standard deviation σ=$1.112.
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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Question
The frequency distribution was obtained using a class width of 0.5 for data on cigarette tax rates. Use the frequency distribution to approximate the population mean and population standard deviation. Compare these results to the actual mean μ=$1.762 and standard deviation σ=$1.112.
![The frequency distribution was obtained using a class width of 0.5 for data on cigarette tax rates. Use the frequency distribution to approximate the population mean and population standard deviation. Compare
these results to the actual mean u = $1.762 and standard deviation o = $1.112.
Click the icon to view the frequency distribution for the tax rates.
Frequency distribution of cigarette tax rates
The population mean is $
Tax Rate
Frequency
0.00-0.49
7
(Round to three decimal places as needed.)
0.50-0.99
14
The population standard deviation is $.
1.00–1.49
(Round to three decimal places as needed.)
1.50–1.99
2.00–2.49
6.
Compare these results to the values found using the actual data.
2.50–2.99
3.00–3.49
6.
O A. The grouped mean is slightly larger, while the grouped standard deviation is slightly smaller.
3.50-3.99
4.00–4.49
1
B. The grouped values are both slightly smaller.
C. The grouped values are both slightly larger.
O D. The grouped mean is slightly smaller, while the grouped standard deviation is slightly larger.
Print
Done](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faa890918-2e2f-4c48-b299-d4710adb4973%2F25aeb26b-8e3f-42ad-a355-171be924f3d0%2Ff0trn5_processed.png&w=3840&q=75)
Transcribed Image Text:The frequency distribution was obtained using a class width of 0.5 for data on cigarette tax rates. Use the frequency distribution to approximate the population mean and population standard deviation. Compare
these results to the actual mean u = $1.762 and standard deviation o = $1.112.
Click the icon to view the frequency distribution for the tax rates.
Frequency distribution of cigarette tax rates
The population mean is $
Tax Rate
Frequency
0.00-0.49
7
(Round to three decimal places as needed.)
0.50-0.99
14
The population standard deviation is $.
1.00–1.49
(Round to three decimal places as needed.)
1.50–1.99
2.00–2.49
6.
Compare these results to the values found using the actual data.
2.50–2.99
3.00–3.49
6.
O A. The grouped mean is slightly larger, while the grouped standard deviation is slightly smaller.
3.50-3.99
4.00–4.49
1
B. The grouped values are both slightly smaller.
C. The grouped values are both slightly larger.
O D. The grouped mean is slightly smaller, while the grouped standard deviation is slightly larger.
Print
Done
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