a fast food chain operation is interested in determining whether the mean per customers purchase differs by day of the week. to test this, it has selected random samples of customer for each day of the week. the analysts then ran a way way analysis of variance generating the following output anova: single factor chegg

Respuesta :

there is no basis for concluding that mean sales are different for the different days of the week.

What are random samples?

A simple random sample (or SRS) in statistics is a subset of individuals (a sample) chosen at random from a larger set (a population) with the same probability.

It is the process of selecting a sample at random.

In SRS, each subset of k people has the same chance of being chosen for the sample as any other subset of k people.

An unbiased sampling technique is a simple random sample. Simple random sampling is a fundamental type of sampling that can be used to supplement more complex sampling methods.

According to the given table, There is no basis for concluding that mean sales are different for the different days of the week.

Therefore, based on the output (B) there is no basis for concluding that mean sales are different for the different days of the week.

Know more about random samples here:

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