4. Following is the campaign data metrics of 3 Facebook Ad Campaign related to the same product. - 10 marks Campaign Ad Impressions Ad Clicks Campaign 1 1,356,668 255,447 (Control) Campaign 2 794,315 142,780 (Variant 1) Campaign 3 583,738 110029 (Variant 2) Table 2 a. Run A/B Tests on above campaign figures and identity the campaign that should be retained b. What is the conversion rate for your identified campaign