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Posts tagged ‘hypothesis test’

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.

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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.

Read more

Jan 5

Why 0.05? Two Examples That Put Students in the Role of Decision Maker

Any teacher of Introductory Statistics has heard this question more times than they can remember: “Why 0.05?” Here, the value 0.05 refers to the significance level in a hypothesis test. I provide a brief review of the concepts of hypothesis test and significance level. Then, I describe two activities for teachers to proactively address the question of why 0.05 with their students.

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