At a future date, if the number of households in each category (of household size and car ownership) is as shown in the following table Number of Cars Owned 0 3 ar more Household Size 190 200 50 2 200 350 120 3 250 500 200 80 280 400 220 70 5 ar more 200 250 150 50 Work out the new number of trips produced per day from this zone?Self Assessment Example The number of observations in each category and the average rows, columns and grand trip rates, are given in the table. Number of Cars Owned 0 2 3 or more Household Size 1.1 2.5 4.2 2 1.7 4.8 6.6 - 3 2.5 6.2 84 11.1 7.4 12.0 14.2 5.2 9.3 14.4 17.6 5 or more