Term | Definition |
mean | the average found by adding the numbers and dividing by the number of numbers on the list |
median | the number found in the middle of a data set that is in order least to greatest |
mode | the number that occurs most frequently |
range | the difference in the highest and the lowest numbers on the list |
interquartile range | the difference in the third quartile and the third quartile |
first quartile | the median of the lower portion of the data set |
third quartile | the median of the upper portion of the data set |
histogram | a bar graph whose bars are connected and has intervals |
dot plot | a graph made of a number line and dots, used with exact numbers |
interval | a group of numbers () |
What is the median of: 3, 12, 15, 24, 30 | 15 |
What is the mode of:2, 8, 5, 2, 2, 9 | 2 |
What is the mean of 5, 7, 8, 12, 13, 15 | 10 |
What is the range of: 12, 65, 32, 18, 17 | 53 |
What is the median of: 12, 20, 24, 30, 36, 40 | 27 |
What is the mode of: 8, 15, 16, 24, 27 | no mode |