Statistics Vocab

4. a study where researchers apply a treatment to see how it affects the subjects compared to those who do not receive the treatment.
6. the entire group of people or objects you want to learn about.
9. a number that describes how spread out the data values are from the mean (average).
10. the middle value in a set of numbers after they have been put in order.
13. a variable that describes categories or labels rather than numbers.
15. the value that appears most often in a data set.
16. the average of a set of numbers, found by adding them together and dividing by how many numbers there are.
18. a study where researchers simply watch or measure characteristics without changing or influencing anything.
19. numerical data that can only take specific values, usually whole numbers.

1. a value in a data set that is much higher or much lower than most of the other values.
2. numerical data that can take any value within a range, including decimals.
3. a method of collecting data by asking people a set of questions.
5. a number that describes a characteristic of a sample and is used to estimate a population value.
7. a smaller group chosen from a population that is used to represent the whole population.
8. a single person, animal, or object included in the data.
11. a variable that uses numbers and where it makes sense to perform calculations like finding the average.
12. the difference between the largest value and the smallest value in a data set.
14. a characteristic or trait that can have different values for different individuals.
17. a number that describes a characteristic of an entire population.