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  Encyclopedia of Keywords > False Null Hypothesis > True Null Hypothesis   Michael Charnine

Keywords and Sections
RANDOM VARIABLE
TEST STATISTIC
COLLECTING DATA
REJECTING
FALSE NULL HYPOTHESIS
TRUE NULL HYPOTHESIS
Review of Short Phrases and Links

    This Review contains major "True Null Hypothesis"- related terms, short phrases and links grouped together in the form of Encyclopedia article.

Definitions

  1. When a true null hypothesis is rejected, it is called Type I error (a).

Random Variable

  1. For any hypothesis, we define a random variable H i that equals 0 if it is under H 0 (true null hypothesis), and equals 1 under H 1 (false null).

Test Statistic

  1. Generally, if the distribution of the test statistic is continuous, under the true null hypothesis, the P value is uniformly distributed between 0 and 1.

Collecting Data

  1. However, formulating the null hypothesis before collecting data, rejects a true null hypothesis only a small percent of the time.

Rejecting

  1. Alpha is a probability, a probability of rejecting a true null hypothesis.

False Null Hypothesis

  1. The outcome that a researcher desires is to reject a false null hypothesis or to fail to reject a true null hypothesis.

True Null Hypothesis

  1. Before data is collected one must specify a level of significance, or the probability of committing a Type I error (rejecting a true null hypothesis).
  2. It is the minimum probability of not rejecting a true null hypothesis (committing a Type I error) and is equal to one minus the significance level.
  3. Alpha - the probability of a Type I error, which is a situation where a true null hypothesis is incorrectly rejected.

Categories

  1. False Null Hypothesis
  2. Rejecting
  3. Significance Level
  4. Encyclopedia of Keywords > Information > Error
  5. Collecting Data
  6. Books about "True Null Hypothesis" in Amazon.com

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  Short phrases about "True Null Hypothesis"
  Originally created: April 04, 2011.
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