3. Determine the number of sample that must be taken from each year level, if 95% decision is considered. NUMBER OF STUDENTS YEAR LEVEL SOLUTION SAMPLE ENROLLED First Year 5,800 6,980 12,600 14,750 Second Year Third Year Fourth Year TOTAL SAMPLE SIZE Solutions:

3. Determine the number of sample that must be taken from each year level, if 95% decision is considered. NUMBER OF STUDENTS YEAR LEVEL SOLUTION SAMPLE ENROLLED First Year 5,800 6,980 12,600 14,750 Second Year Third Year Fourth Year TOTAL SAMPLE SIZE Solutions:

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 5E

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Question

Determine the number of sample in each year level, and the sample size of the whole population.

3. Determine the number of sample that must be taken from each year level, if 95% decision is considered.
NUMBER OF STUDENTS
YEAR LEVEL
SOLUTION
SAMPLE
ENROLLED
First Year
Second Year
5,800
6,980
Third Year
12,600
Fourth Year
14,750
ТОTAL
SAMPLE SIZE
Solutions:

Definition Definition Number of subjects or observations included in a study. A large sample size typically provides more reliable results and better representation of the population. As sample size and width of confidence interval are inversely related, if the sample size is increased, the width of the confidence interval decreases.

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