The scatterplots in Figure 6 show two weeks of data comparing the actual high temperature for the day with the same-day forecast (part a) and the three-day forecast (part b). Estimate the correlation coefficient for each data set and discuss what these coefficients imply about weather forecasts.

Transcribed Image Text:

70 60 Actual temperature (F) 50 40 30 20 20 30 40 50 Same-day forecast (F) (a) Figure 6 60 50 70 76 60 50 40 40 Actual temperature (F) 30 20 20 30 40 50 Three-day forecast (F) (b) 60 50