Which ancestry group was counted as "White" in 1940 but then categorized as non-white group later in the 20th century? Possible answers:
A. Mexicans
B. Irish
C. Koreans
D. Indians

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling

Which of the following statements best describes the concept behind labor unions?

In the three centuries from ad1100 to ad1400 many changes took place in western