The Seaberg Library is interested in the relationship betweenthe inches of rain in a month and the number of patrons visitingthe library in a month. They collect data for seven monthsbelow.
Inches of Rain/Month | # Patrons/Month |
| 2 | 150 |
| 4 | 155 |
| 7 | 300 |
| 12 | 400 |
| 22 | 450 |
| 10 | 400 |
| 13 | 410 |
a) State your null formally and in lay terms for a simpleregression (10)
b) Calculate r and the regression line (y = a + bx) andreject/accept at a=.05. You must state the estimated regressionline even if Ho is accepted. (10)
c) Explain your findings in lay terms using r-square, r, b asappropriate (20)
d) Calculate a 95% confidence interval for the slope IFNECESSARY and if not explain WHY NOT. Provide the formal intervaland explain in layterms. (5)
