click below
click below
Normal Size Small Size show me how
EUS 8 PACE
Vocabulary for Data Analysis
| Question | Answer |
|---|---|
| bias | a statistical sampling or testing error caused by systematically favoring some outcomes over others. |
| box and whisker plot | a diagram that summarizes data using the median, the upper and lower quartiles, and the extreme values. |
| inference | refers to drawing a conclusion from data. |
| outlier | a piece or pieces of data that lie out from the rest of the data (high or low) that can skew (affect) the mean; extreme data that is more than 1.5 more times the inter quartile range from the upper or lower quartiles. |
| quartile | values that divide a set of data into four equal parts. |
| sample | randomly selected group chosen for the purpose of collecting data. |
| scatter plot | compares two sets of data to see relationships. |
| trend | a general direction either upward or downward is called. |
| trend line | in a scatter plot, a line that closely fits the data points. |
| validity | in an experiment, there were no biases or unjust sampling when collecting the data. |