Across
- 4. is the average value of a random variable over many trials or expected Value
- 5. measures how two variables change together.
- 9. measures how spread out a sample of data is.
- 11. is a measure of how spread out a dataset is.
- 12. the average of the squared differences from the mean.
- 14. the middle value in a sorted dataset.
- 15. is the average of all values in a sample.
Down
- 1. is the process of adding up a series of numbers.
- 2. is the middle value in a sorted sample of data.
- 3. measures the strength and direction of the linear relationship between two variables.
- 6. a bell-shaped probability distribution that is symmetrical and centered around the mean.
- 7. is the average of the highest and lowest values in a dataset.
- 8. represents how many standard deviations a data point is away from the mean or the z-score
- 10. is the average of all values in a population.
- 13. is the value that appears most frequently in a dataset.