Podcast
Questions and Answers
What type of distribution is used to estimate population parameters when the sample size is small and the population variance is unknown?
What type of distribution is used to estimate population parameters when the sample size is small and the population variance is unknown?
- Normal distribution
- Binomial distribution
- Exponential distribution
- Student's t-distribution (correct)
In which situation is the student's t-distribution NOT typically used?
In which situation is the student's t-distribution NOT typically used?
- Large sample size, unknown population variance
- Small sample size, known population variance
- Small sample size, unknown population variance
- Large sample size, known population variance (correct)
What parameter needs to be unknown for the student's t-distribution to be used effectively?
What parameter needs to be unknown for the student's t-distribution to be used effectively?
- Sample size
- Standard deviation
- Population mean
- Population variance (correct)
When would a researcher choose to use the student's t-distribution over the normal distribution for parameter estimation?
When would a researcher choose to use the student's t-distribution over the normal distribution for parameter estimation?
Which type of distribution becomes more similar to the normal distribution as the sample size increases?
Which type of distribution becomes more similar to the normal distribution as the sample size increases?
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Study Notes
Student's t-Distribution
- Used to estimate population parameters when the sample size is small and the population variance is unknown.
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