Question

Identify the kind of sample that is described. An electronics store randomly pulls the receipts from 20 different days over the past two years and calls all customers who purchased computers on those days to ask about high-speed Internet rates.

Answer 1

Answer:

It's called "Cluster Sample"

Step-by-step explanation:

Cluster sampling is a sampling tecnhnique used when mutually uniform yet internally dissimilar groupings are clear in a statistical population. It is usually used in marketing research.

In this sampling technique, the total number of receipts is divided into 20 different days for 2 years and a simple random sample of the groups is selected.

Answer 2

Answer:

We conclude that is simple random sampling.

Step-by-step explanation:

We know that an electronics store randomly pulls the receipts from 20 different days over the past two years and calls all customers who purchased computers on those days to ask about high-speed Internet rates.  

We conclude that is simple random sampling.

This is the simplest way of selecting a sample is the simple random sampling. In this method, each member has an equal chance of being a part of the sample.