Suppose a marketing firm wants to gather information about a new product. The fi

Question

Suppose a marketing firm wants to gather information about a new product. The firm divided a city into blocks as illustrated. Which of the following represents a possible cluster sample of the homes in the city? 1346 1348 1350 1352 7303 7307 7311 7315 1347 1349 1351 1353 7306 7310 7314 7318 1430 1432 1434 1436 8122 8126 8130 8134 1502 1504 1506 1508 8834 8838 8842 8846 1503 1505 1507 1509 8837 8841 8845 8849 1674 1676 1678 1680 6229 6233 6237 6241 1675 1677 1679 1681 6232 6236 6240 6244 1431 1433 1435 1437 8129 8133 8137 (This is a reading assessment question. Be certain of your answer because you only get one attempt on this question.) Choose the correct answer below OA. 7303,7306,7307,7310,7311,7314,7315,7318 O B. 6237,1430,1679,7315,8849,8125,1349,1509 O C. 1350,1351,1505,1677,1431,6241,8841,8133 O D. 1434,1680,1349,8838,1432,7318,1505,1504

Explanation / Answer

Procedure of cluster sampling

1. Make all possible clusters assigning objects into the one clusters with some common characteristics

2. Then Randomly choose one clusters from all clusters

3. Then draw random sample from than selected cluster.

In this questions 8 clusters are already given

So possible sample using cluster sampling is A

Amswer is A.

A.7303,7306,7307,7310,7311,7311,7314,7315,7318

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