# Two Sample Z Hypothesis Tests

Model off of : https://sixsigmastudyguide.com/one-and-two-sample-t-tests/ Make table of contents standard per test page.-Intro-Include image of equations (both equal and unequal variance)-What kind of test is this-When to use, when not to use-Examples 2 tail, left, right-Useful resources ,-Helpful videos-Excel exemplar downloads

# Two Sample Z Test of Proportions

Two sample Z test of proportions is the test to determine whether the two populations differ significantly on specific characteristics.

# Statistics References

Statistics Guides: The Cartoon Guide to Statistics, by Larry Gonick Purchased by Nishimura lab OpenIntro Statistics, by David Diez PDF available for free download Second edition purchased by Nishimura Lab Statistics and Probability, by Khan Academy Website with lessons and tutorials Statistics for Biologists Collection, by Nature Publishing Group A series of articles chronicling statistical (more…)

# Attribute Chart: c Chart

Attribute chart: c chart is also known as the control chart for defects is generally used to monitor the number of defects in constant size.

# Attribute Chart: u Chart

Attribute chart: u chart is the control chart for defects per unit. It is used to monitor the count type of data where the sample size is>1.