Question

Below are the number of acts of graffiti that occur on walls painted white, painted blue, or covered with chalkboard. Ho is frequencies of graffiti are equal in the population. With N = 30, fe = N/k = 30/3 = 10 for each category. What is the critical value for this test? White Blue Chalk fo = 8 fo = 8 fo = 8 fe = 10 fe = 10 fe = 10

Answer 1

Below are the number of acts of graffiti that occur on walls painted white, painted blue, or covered with chalkboard. Ho is frequencies of graffiti are equal in the population. With N = 30, fe = N/k = 30/3 = 10 for each category. What is the critical value for this test? White Blue Chalk fo = 8 fo = 8 fo = 8 fe = 10 fe = 10 fe = 10

There are 3 categories. Df=3-1=2

Chi square test for Goodness of fit used.

Critical value at 0.05 level = 5.991

Critical value at 0.01 level = 9.210

Critical value at 0.10 level = 4.605