A social scientist sampled 140 people and classified them according to income level and whether or not they played a state lottery in the last month. The sample information is reported below. Is it reasonable to conclude that playing the lottery is related to income level? Use the .05 significance level.

(a)What is this table called?
(b)State the null hypothesis and the alternate hypothesis.
(c)What is the decision rule?
(d)Determine the value of chi-square.
(e)Make a decision on the null hypothesis. Interpret the result.

Transcribed Image Text:

Income Low Middle High Total Played 46 Did not play 14 Total 60 224 28 12 40 2212 95 19 45 40 140