a)A study is conducted to determine whether there is a relationship between households' income (Households_income) and their cities (Cities). A random sample of 313 subjects is selected, and the results of analysis are shown in OUTPUT 3.

OUTPUT 3 Households income * Cities Crosstabulation Cities Alor Kuala Johor Setar Lumpur Bahru Total Households High Count 34 52 23 109 income Expected Count 25.1 56.4 X 109.0 Medium Count 65 18 101 Expected Count 52.3 25.5 101.0 Low Count 20 Y 38 Expected Count 23.7 53.3 26.0 Total Count 313 Expected Count 313.0 Chi-Square Tests Value df Asymptotic Significance (2-sided) Pearson Chi-Square Z 001 Likelihood Ratio 002 Linear-by-Linear 004 Association N of Valid Cases a. 0 cells (0.0%) have expected count less than 5. The minimum expected count is 23.23