Hypothesis Testing for Zero Correlation | ExamSolutions

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In this video I show you how to do hypothesis testing for zero correlation from a population by taking a sample of observations from the population calculating the product moment correlation coefficient (PMCC) for the sample and comparing it to a critical value found from tables. I look at three scenarios, which involve 1 tail and two tail tests.

  1. ExamSolutions
  2. Hypothesis testing
  3. zero population
  4. correlation
  5. product moment correlation coefficient
  6. PMCC
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Комментарии
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What about working it out on a calculator

omdzikr
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Thank you, your videos are very clear and you include all the potential variants of how a question could be presented, instead of just one specific example!

joshlivingstone
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Perfectly explained with incredibly neat working and helpful tables. Thanks a lot!

feyronin
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Is this still on the Pearson A-Level spec?

joemarriage
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Quick Question, how do you know when to do a two-tailed test and a 1 tail-test? Will the exam question be specific and tell us to do a two-tail test?

JafastAndJafurious
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Hi when can i get resources for the new spec a level maths?

GP-eqgh
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How do you calculate PMCC? Or will it be given every time?

chakshita
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How do you know wheter there is enough evidence or not?

robsol