A.Dependence of THC concentration in blood on the amount of cannabis smoked was analyzed in one
person who smoked different amounts of dried cannabis of the same source. The intervals between
measurements were long enough to decrease of THC concentration to 0 before each trial.
Does THC concentration in blood depend on the amount of cannabis smoked?
Perform a statistical analysis and illustrate it with a figure.
THC DW
10.1 5.3
3 1.2
8.7 3.8
12.3 8.5
20.8 9.1
5.9 3.1
10.1 4.5
12.3 8.5
5.9 6.5
10.1 7.8

Results:
Response: DW
          Df Sum Sq Mean Sq F value   Pr(>F)
THC        1 39.244  39.244  12.509 0.007655 **
Residuals  8 25.097   3.137