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At a TV assembling facility, the Quality Assurance (QA) department tested a random selection of 500 TV's assembled in March. The tested TV's had an average retail price of $475, 2.4% had some type of defect, and 7 did not power up at all. The plant manager compared that to the total 6753 of TV's that were assembled during the month of March. They had an average retail price of $395 , 3.2% had been reported defective by customers, and did not power up at all.

At a TV assembling facility, the Quality Assurance (QA) department tested a random selection of 500 TV's assembled in March. The tested TV's had an average retail price of $475, 2.4% had some type of defect, and 7 did not power up at all. The plant manager compared that to the total 6753 of TV's that were assembled during the month of March. They had an average retail price of $395 , 3.2% had been reported defective by customers, and did not power up at all.

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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At a TV assembling facility, the Quality Assurance (QA) department tested a random selection of 500 TV's assembled in March. The tested TV's had an average retail price of $475, 2.4% had some type of defect, and 7 did not power up at all. The plant manager compared that to the total 6753 of TV's that were assembled during the month of March. They had an average retail price of $395 , 3.2% had been reported defective by customers, and did not power up at all.

For the QA department's tests, identify the population and the sample.

 

 

Choose whether each number described below is a parameter or a statistic for the QA department's tests.
Number Parameter Statistic
The 
7
 TV's of the random selection of 
500
 TV's that did not power up at all
 
 
The 
2.4%
 of the random selection of 
500
 TV's found to be defective
 
 
The average retail price of 
$395
 of all the TV's assembled during the month of March
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