At Central High School, 28% of the students are Freshmen, 26% are Sophomores, 24% are Juniors, and 22% are Seniors. The student manager of the school newspaper would like to conduct a survey to estimate the proportion of each class that plans to attend the upcoming Football game. She suggests surveying a random sample of 100 students, but specifically by selecting random samples of 28 Freshmen, 26 Sophomores, 24 Juniors, and 22 Seniors. Which of the following is a true statement about this sampling procedure?(A) This is a simple random sample because students of every class have an equal chance of being selected.(B) This is a cluster random sample because there are 4 groups of students that are to be selected.(C) This is a convenience sample because only 100 students are surveyed, which is a manageable size.(D) This is a stratified random sample because a separate random sample is selected from each class.(E) Yes, because the difference between the sample proportion and the population proportion is 0.04, which is less than 0.05.

Simple random sampling: If a sample of n subjects is selected then every unit in the population has…

Answered: At Central High School, 28% of the…

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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At Central High School, 28% of the students are Freshmen, 26% are Sophomores, 24% are Juniors, and 22% are Seniors. The student manager of the school newspaper would like to conduct a survey to estimate the proportion of each class that plans to attend the upcoming Football game. She suggests surveying a random sample of 100 students, but specifically by selecting random samples of 28 Freshmen, 26 Sophomores, 24 Juniors, and 22 Seniors. Which of the following is a true statement about this sampling procedure?

(A) This is a simple random sample because students of every class have an equal chance of being selected.
(B) This is a cluster random sample because there are 4 groups of students that are to be selected.
(C) This is a convenience sample because only 100 students are surveyed, which is a manageable size.
(D) This is a stratified random sample because a separate random sample is selected from each class.
(E) Yes, because the difference between the sample proportion and the population proportion is 0.04, which is less than 0.05.

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