Independent Thinking

June 27, 2009 by  
Filed under Audio, Day 01

Variables can be independent or dependent. But how do you know the difference?

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For more on this topic, go to DAY 1: MEASUREMENT.

Friendly Fractions

June 27, 2009 by  
Filed under Audio, Day 03

Percentages aren’t hard to understand. Actually, they’re quite friendly.

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For more on this topic, go to Day 3: Dispersion

I Give 110%

June 27, 2009 by  
Filed under Audio, Day 03

You’ve heard people say that they’ll give 110%. Are they lying or just confused about percentages?

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Day 3: Dispersion

After The Party

June 26, 2009 by  
Filed under Audio, Day 09

We use Analysis Of Variance to pretest the variability of data before doing further testing. After the ANOVA, it’s time to do the follow up work. Here’s what to do.

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For more information, see Day9: 1-Way ANOVA

Genesis

June 26, 2009 by  
Filed under Audio, Day 08

In the beginning, there was statistics and beer.

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For more information, see Day 8: Student’s t-Test

Deal Or No Deal

June 26, 2009 by  
Filed under Audio, Day 07

There are lots of game shows on television. But what are the chances of winning?

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For more information, see Day 7: Probability

Back To The Future

June 26, 2009 by  
Filed under Audio, Day 06

Time travel is going back or forward in time. With regression, you can go back or forward in terms of predicting scores.

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For more information, see Day 6: Regression

Correlation Causation

June 26, 2009 by  
Filed under Audio, Day 05

Correlations can be very helpful. They lead you toward causation but don’t prove it.

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For more on this topic, go to Day 5: Correlation

Pick A Mean

June 26, 2009 by  
Filed under Audio, Day 04

Sounds like a card trick: pick a card, any card. But, no, this netcast is more about beauty than cards.

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For more on this topic, go to Day 4: z-Score

Cell Blocks

June 26, 2009 by  
Filed under Audio, Day 10

In prisons, the inmates are houses in cells. Collections of cells are called cell blocks. Although experimental designs don’t include prisoners, cells provide a quick way to calculate how many subjects are needed in your design.

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For more information, see Day10: Advanced Procedures

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