The concentration of heavy metals in drinking water and the health issues as declared by the employees on a mine site are shown in the table below. HEAVY METAL DISEASE Nickel Mercury Chromium Cobalt Arsenic Pneumonia 43 18 23 24 22 Cancer 32 35 25 16 43 Tuberculosis 27 35 45 20 41 Deep vein 34 13 28 30 24 Thrombosis Using the information above test if there is an association between the occurrence of the health issues and the heavy metals at the level of significance Alpha of 0.05