For these discussion questions: Define Type I and Type II error and explain their importance in statistical...

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Define Type I and Type II error and explain their importance instatistical research (5 points).

Discuss the use of directional and non-directional hypotheses.How do we make the decision to use directional or non-directionaltests? (5 points)

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Type 1 ErrorA Type 1 error is the incorrect rejection of a truenull hypothesis The alpha symbol is usually used to denote a Type I errorPreject Ho when it is true ExampleThough the null hypothesis is true but we reject it it causesor    See Answer
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