Unit 1 Vocabulary

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Across
  1. 1. A set of data that has two modes.
  2. 6. A statistical measure used to compare data that indicates what percent of the total frequency total appears at or below a particular number.
  3. 8. Small numbers used to indicate position in a data set such as to name quartiles, or in a list of numbers.
  4. 11. Single numbers that are used to represent the range of the numbers in a given data set; also called a spread.
  5. 12. In a causal relationship, the variable that is affected by the explanatory variable.
  6. 14. A set of numbers.
  7. 15. A relationship in which one variable causes a change in another variable.
  8. 16. ___ data are the actual numbers that, without any reference, are tricky to try and interpret.
  9. 17. Linear regression _________ describes the situation in which the equation of a line is found that best fits the points in a scatter plot.
  10. 20. The middle number when numbers are in ascending or descending order.
  11. 22. To predict corresponding variables outside of the domain.
  12. 27. To predict corresponding variables within the domain.
  13. 29. A plot that shows the relationship of bivariate data using points on the coordinate grid.
  14. 30. A relationship that exists between the two variables in a bivariate data set.
  15. 31. A score that uses the standard deviation as a unit of measure of deviation form the mean; also called a standard score.
  16. 33. Mean ________ deviation is a statistic that takes the absolute value of each number’s deviation from the mean and averages those absolute values.
  17. 35. Mathematics that deals with the collection, analysis, and interpretation of data.
  18. 36. Another name for the normal curve.
  19. 40. The linear regression ________ is the equation of a line found using linear regression analysis; also called a line of best fit.
  20. 42. A description of data that has the normal curve as its graph.
  21. 43. An electronic worksheet where data is entered into cells that can contain numbers, words, or formulas.
  22. 45. _________ distribution is a table that lists each piece of data in the set and the frequency, or the number of times that it appears in the data set.
  23. 46. Percentile ____ is the percentage of numbers that fall at or below a given number in the list.
  24. 47. Mean _________ is the average of how far each number is from the mean.
  25. 49. __________ frequency is a running total of all frequencies that are less than or equal to the frequency of that particular interval.
Down
  1. 2. When the ends of a plotted curve move away from the mean, they get closer and closer to the horizontal axis but never touch it.
  2. 3. A variable whose value is determined by the value of the independent variable.
  3. 4. Often referred to as average; the sum of all the numbers in a data set divided by the number of elements in the data set.
  4. 5. Expense that cannot be eliminated from a person’s day-to-day life; might include rent or mortgage payments, utility bills, medical expenses, food, loan payments.
  5. 7. The difference between the highest and lowest scores of a distribution
  6. 9. Measures of _______ tendency
  7. 10. An association between two variables.
  8. 13. Determined when statisticians square each deviation from the mean, and find the average of these squared deviations.
  9. 18. A data set in which each element is an ordered pair of numbers.
  10. 19. The ends of a curve.
  11. 21. In a causal relationship, the variable that causes the change in another variable.
  12. 23. ________ deviation is the square root of the variance which is a measure of dispersion.
  13. 24. The intersection of a column and row in a spreadsheet where data or labels are entered.
  14. 25. Income before all taxes are deducted.
  15. 26. A variable that can take on any permissible value; does not depend on the values of any other variable.
  16. 28. A counter.
  17. 32. Income that remains after taxes are deducted; used for two types of expenses: essential expenses and discretionary expenses
  18. 34. A single set of numbers.
  19. 37. ________ cumulative frequency is the ratio of the cumulative frequency of a particular interval to the total number of pieces of data collected.
  20. 38. Costs for goods or services that are nonessential.
  21. 39. The set of all first elements (x-values) of ordered pairs.
  22. 41. An external variable that can influence how variables are perceived to be related to one another.
  23. 44. Describes a situation in which the mean of the data set is not equal to the median.
  24. 48. The most often occurring value in a data set; there can be more than one mode or no modes at all. It does not have to be numerical.