Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
math
vocab
| Term | Definition |
|---|---|
| population | a group of people you want to know more about |
| samples | represents entire population |
| biased sample | a sample that is not representative of the population |
| random sample | randomly chooses from the population who will be in the surveys, not likely to be biased |
| stratified random sample | breaks people up into groups. not likely to be biased |
| systemic sample | follows a rule. potentially biased |
| convenience sample | a lazy sample, picks people that are easy to get. likely to be biased |
| self selected sample | volunteers to be in sample. likely to be biased |
| mode | number that repeats the most in a set of data |
| median | the middle number in a group of data when numerically arranged |
| mean | average |
| range | difference between the largest and smallest number |
| mean absolute deviation | a measure of dispersion along with range |
| central tendency | mode median and mean |
| two way frequency table | divides data into categories across the top and down the side |
| joint frequencies | body of the table |
| marginal frequencies | rows and column totals |
| stem and leaf plots | displays data that organizes it based on their digits |
| histograms | displays data from a frequency table |
| box and whisker plots | organizes data values into groups |
Created by:
gabbypowell
Popular Math sets