Question

Question 1 (9 Marks) A manufacturer of a margarine spread containing phytosterols claims that a person's cholesterol can be lowered by 10% using this product for 3 months. Does the use of this margarine (with 2g of phytosterols to a 500g tub) for 3 months reduce the LDL-cholesterol level in the blood of healthy adults? a) Design an experiment to answer this question. Comment on elements of control, randomisation and replication in your design. Your answer should include a flow-chart schematic with full annotations. b) State what type of data summary statistics you would measure in your planned study. c) State what type of inferential analysis you would apply to make a decision about the manufacturer's claim. (No actual analysis is done ... no data given.)

Answer 1

Answer:- page: 0 Given Informa b'on: - → A manufacturer Coniains margarine. Spread a Phytosterous claims that a person's -> cholesterol can be lowered by 10%. -> Using of pūoduct. - 3 months a, Now we have to design a Experiment to Answer the question → When the using the product fox. 3 months then the interest is in the cholesterol will be decready by 10%. → For an Example Take Some people n'as o random Example and force them to use one specified product while another ♡ people will get place ho? And the observations can be meassured after 3' months as below.

P9 Stage 0 population o 3 months Teil proposion a people with loy lowend cholesterol. Stage 1 Stage 3 months population2 proposion of people will loy. lowered cholestoro.l. b type of dota Summury. Now we have to State te this planned Study We would messure in >> By using the observation of cholestorane messure. in stage and also stage@ we can meassure. the proposion of people who got lowered the cholestrol after 3 months that's we used pro posilon

now we have to state type of inferential analysis pg we applied to make decision about manufacturos claim. → hle used proportion test we can make. decision about the proportºons. 70 know the product is usefull or not the Dypothesis created with propo, b'on of people. 5. Hence people are significant with respect to used the product or not.