A choral conductor has 1885 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 1885, so she instead asks 630 singers in front and finds 17 who are professionals. (a) Identify the sample. A. 17/1885 B. 630 C. singers who were asked D. None of the above. (b) Identify the population A. percentage of entire singers who are professional B. entire singers C. 17/1885 D. None of the above. (c) What specific type of bias does this scenario demonstrate? A. Voluntary response sampling B. Convenience Sampling C. It is representative of the population. D. None of the above. (d) Identify the parameter A. range of values in which 95% values fall B. percentage of entire singers who are professional C. 17 D. None of the above.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.