What strategies can be employed to reduce both Type I and Type II errors?
- Decrease sample size, use a more lenient significance level
- Decrease sample size, use a more stringent significance level
- Increase sample size, use a more lenient significance level
- Increase sample size, use a more stringent significance level
Increasing the sample size makes the test more sensitive, reducing both Type I and Type II errors. Similarly, a more stringent significance level (lower α) reduces the chance of a Type I error. However, it's important to note that decreasing Type I error probability often leads to an increase in Type II error probability, and vice versa. This is known as the Type I/Type II tradeoff.
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