How MAD Must We Be? A Robust Test for Identifying Meaningful Differences Using the Mean Absolute Deviation
This article introduces a method for identifying statistically meaningful differences between two data sets using the mean absolute deviation.
Posts tagged ‘Sample Size’
Sep 2
Apr 12
Developing the Theory of Hypothesis Testing: An Exploration
There are many concepts associated with hypothesis testing, but it all comes down to variation. How unusual is the variation we observe in a sample?
Students can often lose sight of this basic idea once they have learned the various procedures introduced in an introductory statistics course. Further, they may blindly follow the procedure and never question the impact of the sample size or magnitude of variation on the conclusion they draw.
Mar 29
Developing the Theory of Hypothesis Testing: An Exploration
There are many concepts associated with hypothesis testing, but it all comes down to variation. How unusual is the variation we observe in a sample?
Students can often lose sight of this basic idea once they have learned the various procedures introduced in an introductory statistics course. Further, they may blindly follow the procedure and never question the impact of the sample size or magnitude of variation on the conclusion they draw.
Dec 28
Lesson Plan: Confidence in Salaries in Petroleum Engineering
(Grades 9-12+) Originally published in October 2016, this lesson introduces students to bootstrapping methods for making inferences about a population parameter using a randomly selected sample from the population.
