Across
- 8. A measure of the statistical accuracy of an estimate, equal to the standard deviation of the theoretical distribution of a large population of such estimates.
- 10. Involves the use of sample data to calculate a single value (known as a statistic) which is to serve as a "best guess" or "best estimate" of an unknown (fixed or random) population parameter.
- 11. The claim that we are trying to find evidence for in a significance test
- 13. Each of a number of independently variable factors affecting the range of states in which a system may exist, in particular.
- 14. Measures how far a sample statistic diverges from what we would expect if the null hypothesis were true, in standardized units.
- 15. An amount (usually small) that is allowed for in case of miscalculation or change of circumstances.
- 16. A formal procedure for using observed data to decide between two competing claims
- 18. A point on the test distribution that is compared to the test statistic to determine whether to reject the null hypothesis.
- 20. A single value given as an estimate of a parameter of a population.
Down
- 1. Robust statistics are statistics with good performance for data drawn from a wide range of probability distributions, especially for distributions that are not normal.
- 2. It states that a parameter is larger than the null hypothesis value or states that the parameter is smaller than the null value
- 3. Study designs that involve making two observations on the same individual or one observation on each of two VERY similar individuals result in ...
- 4. P(Type 2 Error)
- 5. Any member of a family of continuous probability distributions that arises when estimating the mean of a normally distributed population in situations where the sample size is small and population standard deviation is unknown.
- 6. A range of values so defined that there is a specified probability that the value of a parameter lies within it.
- 7. The level C of a confidence interval gives the probability that the interval produced by the method employed includes the true value of the parameter.
- 9. P(Type 1 Error)
- 12. The _________________ of a test against a specific alternative is the probability that the test will reject the null hypothesis at a chosen significance level alpha when the specified alternative value of the parameter is true. We made the correct decision.
- 17. Claim we weigh evidence against in a significance test
- 19. It states that the parameter is different from the null hypothesis value (it could be either larger or smaller)