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Author Question: The relative frequency approach to probability uses long term relative frequencies, often based on ... (Read 285 times)

WhattoUnderstand

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on: Jun 24, 2018
The relative frequency approach to probability uses long term relative frequencies, often based on past data.
  Indicate whether the statement is true or false

Question 2

A regular feature in many newspapers asks readers to respond via e-mail to a survey question. The percentages of yes and no responses are usually reported the following day. Should we ignore the results of these surveys? Explain.


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cupcake16

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Reply #1 on: Jun 24, 2018
Answer to Question 1

T

Answer to Question 2

Yes, we should ignore the results because this is an example of a self-selected sample. Self-selected samples are almost always biased because they tend to only represent those with strong opinions.


WhattoUnderstand

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Reply 2 on: Jun 24, 2018
Gracias!

FergA

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Reply 3 on: Yesterday
Excellent

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