Dominicmaiava9idn
Answered

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A dentist wants to find out how often her patients floss their teeth. Which samples are biased? Check all that apply.

[] all her patients
[] patients with no cavities
[] patients younger than 18
[] every 20th patient
[] every patient with braces

Sagot :

BreeG8idn

Answer:

Answers 2,3, and 4 are all biased.

Step-by-step explanation:

She has to check ALL her patients to be unbiased. Otherwise she is showing favoritism and bias.

The Samples that are biased are; B: Patients with no Cavities. C: Patients younger than 18. D: Every 20th Patient

What is a Biased Sample?

A sampling is said to be biased when some members of a population are systematically more likely to be selected in a given sample than others.

Now, in our question, the dentist wants to find out how often her patients floss their teeth. This means that the population should be all patients. Now, from the options, choosing every 20th patient is biased because it neglects other patients. Secondly, if you don't have cavities, then you don't need to floss and so it is baised.

Read more about Biased Sample at; https://brainly.com/question/13654964

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