Chapter 3. Basic Statistical Tools

In this chapter, we will cover the following recipes:

Producing a graphical summary of data
Checking if data follows a normal distribution
Comparing the population mean to a target with a 1-Sample t-test
Using the Power and Sample Size tool for a 1-Sample t-test
Using the Assistant menu for a 1-Sample t-test
Looking for differences in the population means between two samples with a 2-Sample t-test
Using the Power and Sample Size tool for a 2-Sample t-test
Using the Assistant menu to run a 2-Sample t-test
Finding critical t-statistics using the probability distribution plots
Finding correlation between multiple variables
Using the 1 Proportion test
Graphically presenting the 1 Proportion test
Using the Power and Sample Size tool for a 1 Proportion test
Testing two population proportions with the 2 Proportions test
Using the Power and Sample Size tool for a 2 Proportions test
Using the Assistant menu to run a 2 Proportions test
Finding the sample size to estimate a mean to a given margin of error
Using Cross tabulation and Chi-Square
Using equivalence tests to prove zero difference between the mean and a target
Calculating the sample size for a 1-Sample equivalence test

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