The table gives the relative frequency of the number of cavities for two groups of children trying different brands of toothpaste. (a) Calculate the population mean and variance for each group. (b) Which group had fewer cavities? (c) Which group was more consistent? (a) Find the population means for the two groups. HA Pa (Type integers or decimals) C Number of cavities 0 1 2 3 4 5 Relative frequency Group A Group B 0.1 0.1 0.1 0.2 0.3 0.1 0.4 0 0.1 0.5 0.1 0
The table gives the relative frequency of the number of cavities for two groups of children trying different brands of toothpaste. (a) Calculate the population mean and variance for each group. (b) Which group had fewer cavities? (c) Which group was more consistent? (a) Find the population means for the two groups. HA Pa (Type integers or decimals) C Number of cavities 0 1 2 3 4 5 Relative frequency Group A Group B 0.1 0.1 0.1 0.2 0.3 0.1 0.4 0 0.1 0.5 0.1 0
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Aa4
Subject - advanced math
![The table gives the relative frequency of the number of cavities for two groups of children trying
different brands of toothpaste.
(a) Calculate the population mean and variance for each group.
(b) Which group had fewer cavities?
(c) Which group was more consistent?
(a) Find the population means for the two groups.
HA
Pe
(Type integers or decimals.)
KILD
Number of
cavities
0
1
2
3
4
5
Relative frequency
Group A
Group B
0.1
0.1
0.1
0.3
0.1
0.4
0
0.1
0.2
0.5
0.1
0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F13fc87a1-7ee4-413f-849b-42f5cdeab166%2F65592efc-78b5-420f-a365-1383b39491c8%2Fcxg6ds_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The table gives the relative frequency of the number of cavities for two groups of children trying
different brands of toothpaste.
(a) Calculate the population mean and variance for each group.
(b) Which group had fewer cavities?
(c) Which group was more consistent?
(a) Find the population means for the two groups.
HA
Pe
(Type integers or decimals.)
KILD
Number of
cavities
0
1
2
3
4
5
Relative frequency
Group A
Group B
0.1
0.1
0.1
0.3
0.1
0.4
0
0.1
0.2
0.5
0.1
0
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 5 steps with 5 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
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…](https://www.bartleby.com/isbn_cover_images/9780134683416/9780134683416_smallCoverImage.gif)
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
![The Basic Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319042578/9781319042578_smallCoverImage.gif)
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](https://www.bartleby.com/isbn_cover_images/9781319013387/9781319013387_smallCoverImage.gif)
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman