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Hypothesis-final.pdf

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  One-tailed testTwo-tailed test  Statistical hypothesis   Hypothesis ▪ AguessorconjectureStatisticalHypothesis ▪ Isanassertion,statement,orconjectureconcerningoneormoreunknownparametersordistributionalpropertiesofthepopulation.  Steps in formulating hypothesis testing  This consist of five important steps1.Formulatethenullandalternativehypothesis2.Collect the data and decide on an appropriate statistical testing procedure. Specify the level of significance α 3.Compute thetest-statisticorprobabilityvalue (p-value)4.Determine thecriticalregion,alsocalledtherejection region.5.Make adecisionandaconclusion about the hypothesis  Two types of statistical hypothesis  Null Hypothesis ▪  Denoted as H   ▪ Is a statement of no difference and contains the equality statement that you want to testAlternative Hypothesis ▪  Denoted as H 1 or H a ▪ Is the operational statement of the research and contains the non-equality statement ▪ It is an assertion believed to be true whenever the null hypothesis is rejected

E7

Oct 7, 2019

MENTAL MATHS

Oct 7, 2019
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