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What is meant by the term statistically significant

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Reference no: EM132595391

Practice exercise

1. What is meant by the term "statistically significant"?

2. What is meant by "significance level"?

3. How would you explain a Type I error?

4. How would you explain a Type II error?

5. What notation would you typically see used in an article to designate statistical significance at the 1% level?

The notation for significance level is α so the answer is;

6. If your statistical software identified a result that was statistically significant at the .027 level, how would you expect to see this reported in an article?

7. If you conduct a study and identify a "statistically significant" finding, should you automatically Assume that the results are meaningful and important? If no, why?

8. Refer to Figure 9.2 on p. 184. Does this figure correspond to a directional or nondirectional hypothesis? Why?

9. How would the diagram differ for a nondirectional hypothesis?

Reference no: EM132595391

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