Across
- 5. A numerical measure for the correlation and denoted by the letter r
- 6. A branch of statistics that summaries what is known
- 7. A sample taken by assigning a number and then every nth is selected
- 12. A graph where the data is grouped into classes and plotted as bars to show the frequency within each class
- 15. Claims that vary from person to person and cannot be supported by observation
- 17. Value used to indicate outliers in the lower half of the data
- 18. Predicting pas the known values of the x-variable
- 19. When a sample accurately represents its population
- 22. The difference between the actual value and the predicted value
- 23. The variable found on the y-axis of a scatterplot
- 24. A distribution with one hill
- 25. The law that an infinite number of values for random variables will create a normal curve
- 27. A survey of a sample
- 32. Outcomes chosen by chance
- 35. A conditional distribution that is significantly different than the marginal distribution
- 36. The middle value when in order from least to greatest
- 38. Symbol used for the mean
- 41. Any data point that would significantly change the slope if removed
- 44. A graph used to display the relationship between two quantitative variables
- 45. The degree of distortion or asymmetry in a statistical distribution
- 46. A numerical summary obtained from the population
- 47. information collected from a sample
- 48. Any point that is further than 1.5(IQR) below Q1 and above Q3
- 53. Groups created based on something in common and then a few from each are chosen
- 55. A bias caused by sampling volunteers
- 57. Describes a relationship between 2 quantitative variables
- 60. The median of the top half of values
- 61. The who, what, when, and where of a study
- 62. A distribution where the relative frequency of a variable is for one category
- 64. The amount that the predicted value changes by as the x-variable changes
- 65. A conditional distribution that is like its marginal distribution
- 69. Value used to indicate outliers in the upper half of the data
- 73. A line from Q1/Q# to the furthest point that is not an outlier
- 74. Symbol used for the standard deviation
- 76. The range of the difference between Q3 and Q1
- 77. Correlation does not imply this
- 80. Every member of a certain group taken together
- 81. Choosing a sample so every member of a population has an equal chance of being selected
- 82. A survey of the entire population
- 83. The list of the population from which a sample is chosen
- 84. A third variable that could be causing the correlation between x and y
- 85. A variable that is measured or counted
Down
- 1. The y-value expected based on a line of best fit/regression equation
- 2. Describes the strength and direction of a linear association between two quantitative variables
- 3. A bias where the design of the survey directly influences the response
- 4. A chart that shows relative frequency as part of a circle
- 8. Intervals for responses represented on the horizontal x-axis
- 9. A table that shows the frequency of things falling into 2 or more variables
- 10. Describes how close data points are to each other
- 11. A synonym for percentage
- 13. A branch of statistics that makes predictions about a population
- 14. The process of explaining the relationship between two variables in a set of data
- 16. A bias caused by asking people that are easy
- 20. The number of standard deviations a value is from the mean
- 21. The largest value minus the smallest value
- 24. A distribution that is a flat hill
- 26. The most common value
- 28. A distribution where the relative frequency of a variable is for all categories
- 29. The total of all values divided by the number of values
- 30. A part of a population used to make predictions
- 31. A sample taken by assigning a number and then randomly choosing
- 33. Model of real-would situation using random-digit outcomes
- 34. Number of times something occurs
- 37. A variable that sorts objects into types, or categories
- 39. Claims that are supported by observation and based on fact
- 40. The Least Squares Regression Line equation of a line that best models the data of a scatterplot
- 42. A numerical summary obtained from the sample
- 43. The predicted value when the x variable is 0
- 49. Describes the pattern of the data points
- 50. A collection of values for a quantitative variable
- 51. The median of the bottom half of values
- 52. Groups created based on convenience or location then all are chosen from a few groups
- 54. A distribution with two hills
- 56. A chart used to compare frequencies and relative frequencies
- 58. A measure of how spread out values in a data set are from the mean
- 59. Any information that can be gathered by observation
- 63. Describes whether the slope is positive or negative
- 64. A type of distribution where the left side of the distribution mirrors the right side
- 66. A bias introduced when many people that were selected fail to response
- 67. The variable found on the x-axis of a scatterplot
- 68. An ideal bell shaped curve used to represent the probability of random variables
- 70. A bias caused by leaving out certain groups of people from the population
- 71. A line used to make predictions from data
- 72. Largest number
- 75. Smallest number
- 78. An error in sampling that results in a sample not accurately representing its population
- 79. A graph that displays the 5-number summary