Adrianna is trying to figure out the sample size for the data set she wants to collect. She thinks the population standard deviation could be as low as 120 or as high as 136. Explain to Adrianna the impact standard deviation will have on her sample size.
Adrianna is trying to figure out the sample size for the data set she wants to collect. She thinks the population standard deviation could be as low as 120 or as high as 136. Explain to Adrianna the impact standard deviation will have on her sample size.
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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Adrianna is trying to figure out the
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Standard deviation:
Standard deviation measures the spread of a data distribution. It measures the typical distance between each data point and the mean.
Central Limit Theorem:
If a random sample of size n is taken from a population having mean µ and standard deviation σ then, as the sample size increases, the sample mean approaches the normal distribution with mean µ and standard deviation σ/ sqrt(n).
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