Describing Data with Statistics and Graphs

Only one dot per data point

Random placement

Consistent size and alignment

Different sizes for each dot

20

14

10

5

Maximum - Minimum

Median - Q1

Q3 - Q1

Q3 + Q1

Spread of the middle 50% of data

Difference between the highest and lowest values

Average value of the data set

Sum of all data points divided by the number of points

Data value above Q3 + 1.5 * IQR

Data value below Q1 - 1.5 * IQR

Data value above Q1 + 1.5 * IQR

Data value below Q3 - 1.5 * IQR

Mean is equal to median

Cannot be determined

Mean is less than median

Mean is greater than median

525

1825

495

580

50%

31.78%

28.57%

25%

Positive correlation

No correlation

Cannot be determined

Negative correlation

Only input the slope

Calculate manually then input

Input your data values

Type in the equation first