Test means and variances using critical values from a sampling distribution.
Free CAS MAS-I (Modern Actuarial Statistics I) lesson in Statistics. 12 min read, ~1,748 words.
Reject when the test statistic falls in the rejection region defined by critical values at significance level; the null sampling distribution fixes those critical values. Mean, known:. Two-sided cutoff at. Mean, unknown:. Two-sided cutoff at; an estimated forces a t-test for any. Single variance:. Two-sided cutoffs at (upper) and (lower)...
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What this lesson covers
- Content
- Example 1
- Example 2
- Common Mistakes
- Check Your Understanding
- Exam Shortcuts
Learning objectives
- B4
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