Question 4 (1 point) Saved Cancer Diagnosis No Cancer Diagnosis Long-term Pesticide 50 100 Exposure No Long-term Pesticide 50 300 Exposure You conduct a chi-square test of independence between long-term pesticide exposure and cancer at the alpha=0.05 level. Calculate your chi-square test statistic and degrees of freedom X2 23.81, df = 2 = X2 23.81, df = 1 = X2 19.05, df = 2 = X = 19.05, df = 1