MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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9. Determine whether the numerical value is a parameter or a statistic (and explain):
A recent survey by the alumni of a major university indicated that the average salary of 10,000 of its
300,000 graduates was 125,000.
b. The average salary of all assembly-line employees at a certain car manufacturer is $33,000.
c. The average late fee for 360 credit card holders was found to be $56.75.
a.
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Transcribed Image Text:9. Determine whether the numerical value is a parameter or a statistic (and explain): A recent survey by the alumni of a major university indicated that the average salary of 10,000 of its 300,000 graduates was 125,000. b. The average salary of all assembly-line employees at a certain car manufacturer is $33,000. c. The average late fee for 360 credit card holders was found to be $56.75. a.
For each description of sampling, decide if the sampling technique is
A. Simple Random
B. Stratified
C. Cluster
D. Systematic
E. Convenience
1. In order to estimate the percentage of defects in a recent manufacturing batch, a quality control
manager at Intel selected every 8h chip that comes off the assembly line starting with the 3", until
she obtains a sample of 140 chips.
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Transcribed Image Text:For each description of sampling, decide if the sampling technique is A. Simple Random B. Stratified C. Cluster D. Systematic E. Convenience 1. In order to estimate the percentage of defects in a recent manufacturing batch, a quality control manager at Intel selected every 8h chip that comes off the assembly line starting with the 3", until she obtains a sample of 140 chips.
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