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Stephanie Louster
on Oct 20, 2024

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The test statistic for a two-sided significance test for a population mean is z = -2.12.What is the corresponding P-value?

A) 0.017
B) 0.034
C) 0.483
D) 0.983

Two-sided Test

A statistical test that considers both directions of effect by evaluating whether a parameter is either significantly higher or lower than a hypothesized value, allowing for rejection of the null hypothesis for deviations in two directions.

P-value

A metric used in statistics to assist researchers in assessing the importance of their findings, signifying the chance of achieving the observed outcomes assuming the null hypothesis is accurate.

Test Statistic

A calculated value that is used to assess the evidence against the null hypothesis in a statistical test.

  • Comprehend the role of P-values in evaluating hypotheses.
  • Identify the differences between one-tailed and two-tailed significance tests.
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Tracey PamphileOct 20, 2024
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