Detect Small Shifts in the Process Mean with Exponentially Weighted Moving Average (EWMA) Charts
Minitab Statistical Software
| 2 Minute Read
Although Xbar-R and Individuals charts are great at detecting large shifts in the process, EMWA charts are better for smaller shifts. Learn more from Minitab.
Dice, Dragons and Getting Closer to Normal Distribution: The Central Limit Theorem
Minitab Statistical Software
| 5 Minute Read
Data analysts don’t count sheep at night. We look for a bell-shaped curve in their jump. Read more about normal distribution and the Central Limit Theorem!
Predictive Analytics and Determining Patient Length of Stay at Time of Admission
Healthcare
| 5 Minute Read
Learn how historical data from a hospital can be used to accurately predict how long a patient will stay based on information you know when they arrive.
Power and Sample Size for Hypothesis Tests
Minitab Statistical Software
| 4 Minute Read
The power of your hypothesis test depends on the sample size. Larger sample size = Higher power. Learn more about calculating Power and Sample Size.