Collapse the data by favorite number and calculate the test statistic for a test of goodness of fit to the model of even distribution between even and odd favorite numbers. what is the value of the test statistic?The answer is 180.Why/how the answer is supported ?

Use the this information to answer the following 5 questions: RED YELLOWBLUE ODD 30 20 50 EVEN 100 100 200 This table gives the frequency of 500 people's responses to two questions: 1) Is your favorite number odd or even? and 2) Is your favorite color red, yellow, or blue