# Textbook Notes for Migiwa Tanaka

- 10 Results
- About WLU

## EC285 Chapter Notes -Squared Deviations From The Mean, Statistical Parameter, Standard Deviation

88

## EC285 Chapter Notes - Chapter 5: Unimodality, Variance, Squared Deviations From The Mean

3

## EC285 Chapter Notes - Chapter 3: Sampling Frame, Sampling Error, Response Bias

2

Population is the entire population and a sample is a smaller group of individuals. When a sample is biased, the summary characteristics of a sample di

View Document## EC285 Chapter Notes - Chapter 6: Standard Deviation, Linear Regression, Scatter Plot

3

Scatterplots tell us qualitative information about the relationship of two variables: Weak or strong relationship: if the scatterplot is in a single st

View Document## EC285 Chapter Notes - Chapter 10: Central Limit Theorem, Standard Deviation, Categorical Variable

2

Ec(cid:1006)85: ch. (cid:1005)(cid:1004) sa(cid:373)pli(cid:374)g distributio(cid:374)s p is the true proportion (probability) and (cid:1868) is the re

View Document## EC285 Chapter Notes - Chapter 7: Randomness, Sample Space

2

With random phenomena, we can"t predict the individual outcomes, but we can hope to understand characteristics of their long-run behavior. For any rand

View Document## EC285 Chapter Notes - Chapter 9: Normal Distribution, Probability Plot, Probability Density Function

2

Z-score reports the number of standard deviations away from the mean a value is. In a unimodal, symmetric distribution, about 68% of the values fall wi

View Document## EC285 Chapter Notes - Chapter 12: Confidence Interval, Unimodality

4

The student"s t-models form a family of related distributions that depend on a parameter known as degrees of freedom, df. Models are unimodal, symmetri

View Document## EC285 Chapter Notes - Chapter 8: Bernoulli Trial, Binomial Distribution, Squared Deviations From The Mean

1

Random variable is given its name because its value is based on the outcome of a random event. If all outcomes can be listed, it is called a discrete r

View DocumentShowing 1 — 10 of 10 results