In a population of 250 students, 60% are Whites, 20% are Latinos, 15% are Blacks, and 5% others. In a proportionate stratified random sample of 120,
a. the number of Whites selected is 72.
b. the number of Blacks selected is 50.
c. the number of Latinos selected is 37.
d. the number of other racial and ethnicity background selected is 6
Ans:
a. the number of Whites selected is 72.
d. the number of other racial and ethnicity background selected is 6
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