For science class, a student recorded the high and low temperatures, in Fahrenheit, over a ten day period in September. The data is shown in the table.
Low Temperature, x 26 28 30 32 34 35 37 38 41 45
High Temperature, y 49 50 57 54 60 58 64 66 63 72
1. What is the correlation for a linear model of this data? Round to the nearest hundredth.
7 =
2. Ten high and low temperatures in October are recorded and have a correlation coefficient of 0.89. In which month is
there a stronger correlation between the high and low temperatures? Explain your answer.