Question: Show work. Problem 1 (compute by hand) Below are the numbers of acts of graffiti that occur on walls painted white, blue and covered with

Show work.

Problem 1 (compute by hand)

Below are the numbers of acts of graffiti that occur on walls painted white, blue and covered with a chalkboard. The null hypothesis is that the color of the surface makes no difference in acts of graffiti. The observed data are:

White 8 acts of graffiti

Blue 5 acts of graffiti

Chalkboard 17 acts of graffiti

Using the Chi square statistic, do acts of graffiti occur significantly more on chalkboard than on white or blue walls?

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