XA Emphasis Heading 2 Heading 3 T Normal Strong Subtitle T nt Paragraph Styles This exam consists of four compulsory questions. Read the questions below carefully.Answer all questions. Each question is worth 5 marks. Total 60 marks. Question 1 - 15 marks A researcher claims that the diet high in Omega-3 will have a positive impact on blood Cholesterol levels only if the Cholesterol levels for obese patients have a mean of 70. A sample of 35 patients who have tried this diet have a mean Cholesterol level of 85. a) Is there sufficient evidence to support the researcher's claim? (Standard deviation is 20.) [Answer and show workings here] ralia)