- The data below represent duration times (in seconds) of eruptions and time intervals (in minutes) to the next eruption for randomly selected eruptions of the Old Faithful geyser in Yellowstone National Park.
Table 5 – Old Faithful Eruptions
Duration | 242 | 255 | 227 | 251 | 262 | 207 | 140 |
Interval After | 91 | 81 | 91 | 92 | 102 | 94 | 91 |
- Find the regression equation.
- Construct a residual plot for the data. Use the table below to guide you.
Table 6 – Guided Residual Calculation
Point on Plot | ||||
- Is a linear model appropriate for this data? Explain your answer.