The Wall Street Journal provides the net asset value, the year-to-date percent r

Question

The Wall Street Journal provides the net asset value, the year-to-date percent return, and the three-year percent return for 555 mutual funds (The Wall Street Journal, April 25, 2003). Assume that a simple random sample of 12 of the 555 mutual funds will be selected for a follow-up study on the size and performance of mutual funds. Use the fourth column of the random numbers in Table 7.1 (below), beginning with 51102, to select the simple random sample of 12 mutual funds. Begin with mutual fund 102 and use the last three digits in each row of the fourth column for your selection process. What are the numbers of the 12 mutual funds in the simple random sample?

TABLE 7.1 RANDOM NUMBERS 63271 59986 7174451102 15141 80714 58683 93108 13554 79945 88547 09896 95436 79115 08303 01041 20030 63754 08459 28364 55957 57243 83865 09911 19761 66535 40102 26646 60147 15702 46276 87453 44790 67122 45573 84358 21625 16999 13385 22782 55363 07449 34835 15290 76616 67191 12777 21861 68689 03263 6939392785 49902 58447 42048 30378 87618 26933 40640 16281 13186 29431 88190 04588 38733 81290 89541 70290 40113 08243 17726 28652 56836 78351 47327 18518 92222 55201 27340 10493 36520 64465 05550 30157 82242 29520 69753 72602 23756 54935 81628 36100 39254 56835 37636 02421 98063 89641 64953 99337 84649 48968 75215 75498 49539 74240 03466 49292 36401 45525 6329111618 12613 75055 4391526488 41116 64531 56827 30825 70502 53225 03655 05915 37140 5705 48393 91322 25653 06543 06426 24771 59935 49801 11082 66762 94477 02494 88215 27191 20711 55609 29430 70165 45406 78484 3163952009 18873 96927 41990 70538 77191 25860 55204 73417 83920 69468 74972 38712 72452 36618 76298 26678 89334 33938 95567 2938075906 91807 37042 40318 57099 10528 09925 89773 41335 96244 29002 46453 53766 52875 15987 46962 67342 77592 57651 95508 80033 69828 9058558955 53122 16025 84299 53310 67380 84249 25348 04332 32001 96293 37203 645165153037069 40261 61374 05815 06714 62606 64324 46354 72157 67248 20135 49804 09226 64419 29457 10078 28073 85389 50324 14500 15562 6416506125 71353 77669 91561 46145 24177 15294 10061 98124 75732 00815 83452 97355 13091 98112 53959 79607 52244 63303 10413 6383974762 50289 2

Explanation / Answer

A simple random sample is a sampling method in which each and every unit of the population has an equal chance of being selected. Here, we would have to first segregate the fourth column and choose amongst that. Hence, the random sample would be as given below: -

911 290 588 835 498 678 828 801 607 860 915 055

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