The example, based on one from Kish (1965), is concerned with a survey of dwelling units in a small city, where there are a total of 300 blocks. A sample of twenty blocks is drawn randomly from the 300 blocks, with the results shown in Table. Random draw Block Dwelling units Renters l 294 6? 52 2 T4 15 9 3 136 13 7' 4 35 5'? 43 5 135 4 6 2? 29 21 '3 Il'llr 15 3 B 2211 11 T 9 106 24 4 ID 96 20 ID 11 [[10 2 12 49 I152 59 13 126 19 ll] 14 153 2? 18 15 2153 15 12 16 I46 25 9 IT 266 13 113 13 12 19 2l9 3 1 20 243 3 - Total - 435 232 Calculate the following.\" (a) Proportion of rented unitsu (b) Variance of rented proportion\" (e) Standard errors