Introduction to the t Distribution (non-technical)

Описание к видео Introduction to the t Distribution (non-technical)

A brief non-technical introduction to the t distribution, how it relates to the standard normal distribution, and how it is used in inference for the mean.

For those that use R, below are the R codes to find the values found in the video.

z value for a 95% interval:
qnorm(.975)
[1] 1.959964

t value for a 95% interval (5 DF)
qt(.975,5)
[1] 2.570582

t value for a 95% interval (10 DF)
qt(.975,10)
[1] 2.228139

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