R’s Normal Distribution Alphabet

Lab 2I

Directions: Follow along with the slides, completing the questions in blue on your computer, and answering the questions in red in your journal.

Space, Click, Right Arrow or swipe left to move to the next slide.

Where we’re headed

Get set up

Is it normal?

Using the normal model

pnorm(____, mean = diff_mean, sd = ____)

Extreme probabilities

1 - pnorm(____, mean = diff_mean, sd = ____)

Simulating normal draws

draws <- rnorm(____, mean = ____, sd = ____)
histogram(draws, fit = ____)

P’s and Q’s

qnorm(____, mean = ____, sd = ____)

On your own

Conduct one of the statistical investigations below: