Data Science Quiz 3

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Last updated 9:56 PM on 9/20/26
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4 Terms

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p value

Probability you would have obtained the results by chance

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alpha

What researchers decide is their own statistically significant cut off point

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Steps of data analysis

  1. See and analyze data using descriptive stats

  1. Based on model, select variables to regress

  2. See which results are statistically significant

  3. Interpret coefficients and R^squared, but only for values that are statistically significant

  4. Repeat steps on other variables/combos

  5. Select most appropriate model


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During multivariate regression

When interpreting any single coefficient in a multiple regression, you must include the caveat that all other variables in the model are being held fixed (constant) while that one variable changes.