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We will learn a new type of hypothesis test today!

So far, our focus has mainly been on quantitative variables — both Ch 17 and 18 discuss hypothesis tests and confidence intervals for one quantitative variable (Ch 17 is about 1 sample while Ch 18 is about 2 samples). But today, we will switch our focus to one categorical variable.

 

Instructions

• There are 2 problem in this lab work.
  • #21.1 all sub-parts (ignore “explain how you know…” in sub-part a)
  • #21.3

• The video explains the concept and shows you how to do the lab work:

Ch 21 Chi-Square Test for Goodness of Fit

• Submit your lab work as one single PDF file to Canvas before the due date.

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