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Physical Sciences As the temperature of air increases, it has a greater capacity to hold…


Physical Sciences As the temperature of air increases, it has a greater capacity to hold moisture. However, humidity can only increase if there is a supply of moisture. For the area of southern Florida, a random sample of days was obtained and the relative humidity (x, a percentage) and daily temperature (y, in °F) were recorded for each.17

a. Construct a scatter plot of the data.

b. Find the sample correlation coefficient.

c. Based on the value of r in part (b), predict the sign of b = 1 in the estimated regression line.

d. Find the estimated regression line. Do the results support your answer to part (c)? Why or why not?