Concept explainers
a)
To find the random sample.
a)
Answer to Problem 26E
The selected addresses are 35, 75, 115, 155, and 195.
Explanation of Solution
Following is the line 120 of the table D:
35476, 55972, 39421, 65850, 04266, 35435, 43742, 11937
Now, split the 200 addresses into 5 groups of 40 each. We are looking for 2-digit numbers and the numbers will be 35, 75, 115, 155, and 195.
b)
To explain why a systematic sample is nonetheless not an SRS
b)
Explanation of Solution
We know that every address has an equal chance that is 1 in 40 chance of being selected. That does not mean there is equal chance of every subset to being selected. Therefore, it is not a SRS, because there is no chance of selected the first five individuals for the sample.
Chapter 4 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Basic Business Statistics, Student Value Edition
Statistics: The Art and Science of Learning from Data (4th Edition)
STATS:DATA+MODELS-W/DVD
Introductory Statistics (10th Edition)
Elementary Statistics: Picturing the World (6th Edition)
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