SE_none = [ 0.43 * (1 - 0.43) / 305 ] SE_sameroom = [ 0.43 * (1 - 0.43) / 306 ] SE_citizen = [ 0.43 * (1 - 0.43) / 334 ] SE_gender = [ 0.43 * (1 - 0.43) / 310 ] SE_guest = [ 0.43 * (1 - 0.43) / 340].Square each of these values and sum them to calculate the chi-square statistic