Answered: At a TV assembling facility, the…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 10CYU

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Question

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