2. eric wants to know what is the most popula...
2. eric wants to know what is the most popular streaming service in wasco high school. so he decides to ask 20 students from each math class what streaming service they prefer.\n a. what is the sampling method?\n b. what type of data is this sample collecting?
Answer
# Brief Explanations:
a. Since Eric is sampling 20 students from each math class, he is dividing the population (students in the high - school) into strata (math classes) and sampling from each stratum, which is stratified sampling.
b. The data collected is about the streaming service students prefer, which is a categorical variable (e.g., Netflix, Hulu, etc.), so the data type is categorical.
# Answer:
a. Stratified sampling
b. Categorical data