To measure satisfaction with its cell phone service, AT&T takes a stratified sample of its customers by age, gender, and location. Which is an advantage of this type of sampling, as opposed to other sampling methods?

Question

07-03-2020
Mathematics

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To measure satisfaction with its cell phone service, AT&T takes a stratified sample of its customers by age, gender, and location. Which is an advantage of this type of sampling, as opposed to other sampling methods?

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mandhlelaz mandhlelaz · Answer 1 · 2020-03-07T05:35:13+01:00

Answer:it can give more accurate results

Step-by-step explanation:Stratified sampling refers to a type of sampling method, in which the population get divided into separate groups which are referred to as strata. A researcher then chooses randomly from these strata , a simple random sample which will be truly representative of that society since everyone who is anyone stands an equal chance to be chosen.