Sample Size
Running and Analyzing Sample Size Tests in Minitab
What information is required for choosing sample size
Sample size calculations: Choosing the right method
A review of hypothesis testing errors
Backing to target power
Power and Sample Size
Shows required sample size for each difference and target power
Sample size is entered and power values are left blank
Standard deviation
Beta
Delta
Alpha
Practical difference the experimenter wants to defect using the test
Estimated population
Can be set by the experimenter and a sample size is fixed
Level you set
Default in minitab
Type error 2
Type 1 error
Occurs when you reject the null hypothesis is true
When the null hypothesis is not true
Sample Z
Sample T
Sample Variance
Already have statistics about population
Means testing
Comparing to a target value
Means testing
Do not have statistics of a population
Comparing to a target value
Variance testing
Comparing variance
Proportion Testing (rate, x per y)