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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
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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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
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
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