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PLEASE HURRY!!!!!!
Martha wanted to find out what her classmates’ favorite sport was. She separated the list of classmates into three age groups and then from each group, drew names from a hat so that the number in each group was proportional to the number in each age group. Was Martha’s survey a random survey, and if so, which sampling method did she use?

A. Yes, she used simple random sampling.
B. Yes, she used systematic random sampling.
C. Yes, she used stratified random sampling.
D. No, she did not choose a random sample.

Respuesta :

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Answer:

C. Yes, she used stratified random sampling.

Explanation :

Stratified random sampling is a random method of sampling where researcher divided the population into sub group and the randomly select from these group to find the final sample.

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