Statistics Key Terms 2025

5. Type of distribution with a fixed number of trials, with only two outcomes
6. Data that consists of labels of traits
7. Type of sample where everyone has the same chance of being selected (2 words)
9. Type of sample where the population is divided into groups that share characteristics and a random sample is drawn from each group
10. Selection of objects from a group where the arrangement is specific
13. A range estimate for a population parameter (2 words)
14. When one event happening does not influence the probability of another event happening
17. Numerical description of a population characteristic
18. Type of continuous distribution that is defined by its mean and standard deviation
19. Type of sample where the sample is taken based on ease of access
21. Shape of graph where data lie evenly on both sides
23. Set of all possible outcomes for a probability experiment (2 words)
24. _________ coefficient that measures the strength of a linear relationship between two quantitative variables

1. Type of distribution that counts the number of successes in a given interval
2. Particular group of interest
3. Type of sample where the population is divided into groups and certain groups are chosen
4. Data that consists of counts or measurements
6. Value that divides an ordered array of data into four equal parts
7. Numerical description of sample characteristics
8. Type of bar graph displaying a frequency distribution of quantitative data; each bar represents a range of numbers
11. Quantitative data that can only take on particular values and are usually counts
12. Sum of all data values divided by the number of data values
15. Quantitative data that can take on any value and are usually measurements
16. Shape of graph where the majority of data fall on one side
19. Selection of objects from a group without regard to their arrangement
20. The middle value in an ordered array of data
22. Subset of the population from which data are collected