The Hamden board of education wants to know how the community feels about building a new media center for the middle school. They called every tenth person on the registration list of 7,300 voters until they had called a total of 40 voters. Which of the following are true of the sample of 40 voters? Check all that apply.
Answers
Given : The Hamden board of education wants to know how the community feels about building a new media center for the middle school. They called every tenth person on the registration list of 7,300 voters until they had called a total of 40 voters.
To Find : Which of the following are true of the sample of 40 voters? Check all that apply.
The sample is not randomly chosen.
The sample should be larger to give more reliable information.
The sample size is too large to make inferences.
The sample size is too small to represent the population.
The sample size is too small and will show larger variation.
The sample is invalid because it randomly chooses voters.
The sample size is too small and can lead to false inferences.
Solution :
The sample is not randomly chosen. - TRUE
they only took sample of 40 from 1st 400 out of 7300 voters
The sample should be larger to give more reliable information - TRUE
The sample size is too small to represent the population. TRUE
The sample size is too small and will show larger variation. ( Not always true ) it can show lesser variation also .
The sample size is too small and can lead to false inferences. TRUE
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