math vocabulary
Across
- 3. a function that specifies all possible values for a variable and also quantifies the relative frequency
- 4. involving one variate or variable quantity.
- 7. the middle point in a dataset
- 8. lack of consistency or fixed pattern
- 9. a statistical measure of the strength of a linear relationship between two variables
- 12. the value under which 25% of data points are found when they are arranged in increasing order
- 15. measure of the amount of variation of a random variable expected about its mean
- 16. a measure of the asymmetry of a distribution
- 19. the set of all those elements that commute with all other elements
- 20. a graph summarising a set of data
- 22. a straight line that describes how a response variable y changes as an explanatory variable x changes
- 24. a value in a data set that is very different from the other values
- 25. the outline or the boundary of an object
- 26. especially useful in descriptive analyses or during the preliminary investigation of a large data set.
Down
- 1. identifies a possible relationship between changes observed in two different sets of variables
- 2. a chart that plots the distribution of a numeric variable's values as a series of bars
- 5. the average distance between each data point and the mean
- 6. a simple form of data visualization that consists of data points plotted as dots on a graph with an x- and y-axis
- 10. The interquartile range is the difference between upper and lower quartiles
- 11. the difference between the lowest and highest values
- 13. the direction and the steepness of the line
- 14. functional relationships between variables
- 17. a measure that is used to find the difference between the observed value and the expected value of a variable
- 18. involving or depending on two variables.
- 19. a measure of relationship between two variables
- 21. A general tendency among variables in a data set; usually between pairs of variables
- 23. an object that is perpendicular to a given object