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Across 3. either of two parts or things needed to complete the whole; counterpart. 8. one of a number of measures of correlation, usually assuming values from +1 to −1. 10. not fair, is one sided 11. a quantity having a value intermediate between the values of other quantities; an average, especially the arithmetic mean 13. chances 14. the product of a given positive integer multiplied by all lesser positive integers 16. of or pertaining to a percentile or a division of a distribution by percentiles. 19. graph that shows a relationship between two variables 20. A variable that assumes only values in a discrete set, such as the integers. 21. number of anything within an area 22. the relation between variables when the regression equation is linear

Down 1. an observation that is well outside of the expected range of values in a study or experiment, and which is often discarded from the data set 2. Triangle 3. determination 4. the act of changing the order of elements arranged in a particular order, as abc into acb, bac 5. heavy meaning 6. a mathematical theorem that gives the expansion of any binomial raised to a positive integral power 7. histogram falling from top to bottom left to right 9. "Gaussian distribution" 12. a measure that quantifies the distance a data point is from the mean of a data set 15. a set of ordered numbers 17. the most frequently appearing value in a set of numbers or data points. 18. the middle number in a given sequence of numbers, taken as the average of the two middle numbers when the sequence has an even number of numbers