PR 2 Finals

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12 Terms

1
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Null Hypothesis

The observations are due to chance.

2
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Null Hypothesis

There is no observed effect.

3
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Null Hypothesis

Symbol: H0

4
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Alternative Hypothesis

The observations are due to a certain effect

5
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Alternative Hypothesis

There is observed effect.

6
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Alternative Hypothesis

Symbol: H1

7
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Type I Error

Null hypothesis is rejected when it is actually true.

8
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Type II Error

Failure to reject the null hypothesis when it is actually false.

9
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P-value < 0.05

P-value. Reject the Null Hypothesis.

10
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P-value > 0.05

P-value. Failure to reject or cannot reject the Null Hypothesis.

11
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T-stat < T-crit

T-stat. Failure to reject or cannot reject the Null Hypothesis.

12
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T-stat > T-crit

T-stat. Reject the Null Hypothesis