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We are tired! How much longer should go?

This is a subtitle

This is plain text for writing essay

Create our first chunk code

create a backwards arrow using the less than symbol and a dash—and its use to name a new object

minutes <- c(53,20,45,35,30,15,20,35,45,30,40,30,34,32,31,14,18,27,20,21,20,47,46,47,48)

What is the average minutes my students can still listen to me?

mean(minutes)

[1] 32.12

Visualized the number of minutes

hist(minutes)