Answered: A choral conductor has 1721 singers in…

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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Question

A choral conductor has 1721 singers in her choir, some of them are professional singers. The conductor wants to estimate what percentage of singers are professional, but can't ask all 1721, so she instead asks 652 singers in front and finds 15 who are professionals.

1. Identify the statistic.

A. 15/652
B. entire choir members
C. 1721
D. None of the above.

2. What specific type of bias does this scenario demonstrate?

A. Convenience Sampling
B. Voluntary response sampling
C. It is representative of the population.
D. None of the above.

3. Identify the population

A. entire singers
B. 15/1721
C. percentage of entire singers who are professional
D. None of the above.

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