Statistics
1. what is the sum of all the results included in the sample divided by the number of observations. it is the average.

2. total data set

3. this is the collection, display, and analysis of the data

4. this is asking or inquiring people's opinion

5. this is the most frequently occurring element in a set

6. this measures the deviation between the scores and the mean, it mesures how dispersed the data is. the higher this is the more spread out the data is from each other.

7. the type of sample in which each member of the sample set or group has equal chance of being chosen

8. the spread of the middle 50% of the data

9. the middle term in a set of data. if the data set has an even number of terms this is the average of the two middle terms.

10. this is the process of gathering data from every member of a population