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=​$1.786 and standard deviation σ=​$1.174.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
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=​$1.786 and standard deviation σ=​$1.174.

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 = $1.786 and standard deviation o = $1.174.
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
(Round to three decimal places as needed.)
0.00–0.49
0.50-0.99
13
The population standard deviation is $.
1.00–1.49
(Round to three decimal places as needed.)
1.50–1.99
2.00–2.49
Compare these results to the values found using the actual data.
2.50-2.99
5
3.00–3.49
4
O A. The grouped mean is slightly smaller, while the grouped standard deviation is slightly larger.
3.50–3.99
4
B. The grouped values are both slightly larger.
4.00–4.49
O C. The grouped values are both slightly smaller.
D. The grouped mean is slightly larger, while the grouped standard deviation is slightly smaller.
Print
Done
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 = $1.786 and standard deviation o = $1.174. 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 (Round to three decimal places as needed.) 0.00–0.49 0.50-0.99 13 The population standard deviation is $. 1.00–1.49 (Round to three decimal places as needed.) 1.50–1.99 2.00–2.49 Compare these results to the values found using the actual data. 2.50-2.99 5 3.00–3.49 4 O A. The grouped mean is slightly smaller, while the grouped standard deviation is slightly larger. 3.50–3.99 4 B. The grouped values are both slightly larger. 4.00–4.49 O C. The grouped values are both slightly smaller. D. The grouped mean is slightly larger, while the grouped standard deviation is slightly smaller. Print Done
Expert Solution
Step 1

Statistics homework question answer, step 1, image 1

trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman