Linear regression | hypothesis testing

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In this video, we will see how we can use hypothesis testing in linear regression to, for example, test if the slope is significantly different from zero. We will also learn how to calculate the t-statistic by hand and how to calculate the confidence interval.
1. Hypothesis testing in linear regression
2. Confidence interval (07:49)
  1. TileStats
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Комментарии
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how do you get the area on the left and right manually without software?

ahmeddiab
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Why do we assume that our possible "slopes" follow a t-distribution?

Unaimend
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I’m trying to do test statistics on linear regression on data of n=1280. Since n is very large, the df is large and so the calculation doesn’t seem to go well. How do you do test statistics when the n is large(240+) ?

kasumi