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Tonya wanted to estimate the average amount of time that students at her school spend on
Chapter 4, Problem T4.4(choose chapter or problem)
Tonya wanted to estimate the average amount of time that students at her school spend on Facebook each day. She gets an alphabetical roster of students in the school from the registrars office and numbers the students from 1 to 1137. Then Tonya uses a random number generator to pick 30 distinct labels from 1 to 1137. She surveys those 30 students about their Facebook use. Tonyas sample is a simple random sample because (a) it was selected using a chance process. (b) it gave every individual the same chance to be selected. (c) it gave every possible sample of the same size an equal chance to be selected. (d) it doesnt involve strata or clusters. (e) it is guaranteed to be representative of the population.
Questions & Answers
QUESTION:
Tonya wanted to estimate the average amount of time that students at her school spend on Facebook each day. She gets an alphabetical roster of students in the school from the registrars office and numbers the students from 1 to 1137. Then Tonya uses a random number generator to pick 30 distinct labels from 1 to 1137. She surveys those 30 students about their Facebook use. Tonyas sample is a simple random sample because (a) it was selected using a chance process. (b) it gave every individual the same chance to be selected. (c) it gave every possible sample of the same size an equal chance to be selected. (d) it doesnt involve strata or clusters. (e) it is guaranteed to be representative of the population.
ANSWER:Step 1 of 2
Since she was randomly selected, each person has an equal chance of being picked