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we are Tired! How much longer should we go?

this is a subtitle

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Create our first chunk for code

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

minutes <- c(53,20,45,30,10,45,35,45,35,30,15, 20,35,45,30,40,30)

what is the average number of minutes my students can still listen to me?

mean(minutes)

[1] 33.11765

visualize number of minutes

hist(minutes)