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Author Question: Explain the concept of statistical significance. Be sure that the concept of an alpha level in ... (Read 128 times)

cnetterville

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on: Jun 19, 2018
Explain the concept of statistical significance. Be sure that the concept of an alpha level in included in your explanation.
 
  What will be an ideal response?

Question 2

The mean is
 
  a. the arithmetic average.
  b. the middle score.
  c. the average of the highest and lowest scores.
  d. the most common score.


nanny

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Reply #1 on: Jun 19, 2018
Answer to Question 1

Statistical significance means that the results have been found to be very unlikely to occur by chance alone (without some treatment effect). The level of significance, or alpha level, identifies the maximum probability that the results are simply chance.

Answer to Question 2

A


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