Table 1

Table for determining sample size

NSNSNSNSNS
1010100802801628002602800338
1514110862901658502653000341
2019120923001699002693500346
2524130973201759502744000351
302814010334018110002784500354
353215010836018611002855000357
403616011338019112002916000361
454017011840019613002977000364
504418012342020114003028000367
554819012744020515003069000368
6052200132460210160031010000370
6556210136480214170031315000375
7059220140500217180031720000377
7563230144550226190032030000379
8066240148600234200032240000380
8570250152650242220032750000381
9073260155700248240033175000382
957627015975025426003351000000384

Notes:

N = population size; S = sample size

Source: Krejcie and Morgan (1970) 

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