Question

Determine whether the selection process for each sample was random or nonrandom.

Answer 1

The selection process for each sample was Random, Hence, Random sampling

This is further explained below.

Determine whether the selection process for each sample was random or nonrandom.?

Generally,  During physical education classes, students are randomly assigned to teams by selecting names from a hat or bag containing their names on individual pieces of paper.

There is a designated area at a supermarket for shoppers to leave comments. Each week, a satisfied customer will be randomly selected from the feedback forms submitted to win a gift certificate.

Selection bias

For a research project, physicians must first compile a list of patients. The first ten people on the list will be placed in the placebo group.

A clothes retailer conducts surveys of clients who use its store credit card to better understand its clientele.

We collect five soil samples from the biggest farm in a given area to determine the quality of the soil there.

The distinction between random and non-random sampling is explained.

In random sampling, each sample has the same chance of getting the target variable. When a researcher uses a sampling strategy that is not random, the features of the sample chosen are not based on chance but on factors like their own convenience, their own professional judgment, and their own prior experience.

In conclusion,  During physical education classes, students are randomly assigned to teams by selecting names from a hat or bag containing their names on individual pieces of paper.

There is a designated area at a supermarket for shoppers to leave comments. Each week, a satisfied customer will be randomly selected from the feedback forms submitted to win a gift certificate.

Selection bias

Read more about  Random sampling

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