Linear combinations
3 important questions on Linear combinations
What are families of distributions in statistics?
Families of distributions are groups that share similar mathematical properties.
- Defined by parameters
- Common for probability functions
- Examples include: Normal, Binomial
- Useful in statistical modeling
What is the Binomial distribution?
A discrete distribution representing the number of successes in trials.
- Fixed number of trials
- Two possible outcomes per trial
- Defined by success probability
What does "parameter" mean in the context of distributions?
A value that defines characteristics of a distribution.
- Includes mean, variance
- Determines shape of the distribution
- Can be estimated from data
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