Statistics Terminology

4. The sum of all probabilities for a discrete random variable must add up to this value.
6. This is a type of data which is countable and can only take specific numerical values.
7. 99.7% of data lie within how many standard deviations of the mean in a normal distribution?
14. This describes two events where the event that one happens does not affect the probability of the other happening.
15. A diagram representing probabilities using overlapping circles was named after this mathematician.
17. This is a spreadsheet function that you would use to show only certain values.
18. A distribution where there are two outcomes, a fixed number of trials, the trials are independent of each other and the probability of success is fixed.
19. A mathematical line of best fit is known as a _____________ line.
20. This term describes when you make a prediction outside of the data range.
21. The statistical ______ cycle is the process which covers initial planning, data collection, data processing and presentation, interpretation of results and evaluation and review.
23. This describes two events that cannot happen at the same time.

1. This value represents the spread of the data and is represented by the square of s.
2. The most common value in the data set.
3. This is a spreadsheet function that you would use to arrange the entries in a particular order.
5. This summary statistic is found by summing all of the data points and dividing by the total number.
8. This is a type of graph which is used to represent continuous data where the area is proportional to the frequency.
9. This is a type of data which is measurable and can take any numerical value.
10. This correlation coefficient is used when data are already ranked or there is a non-linear relationship.
11. This is a type of data which is non-numerical.
12. The curve representing the normal distribution is said to have this shape.
13. The middle vale in the data set.
16. This is a name for a category in a spreadsheet or database.
22. This is database function that you would use to request information.