QUESTION 5 Read the passage below. Identify and state the sample , populati...
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QUESTION 5
Read the passage below. Identify and state the target property used in the study and explain whether the evidence presented supports the conclusions drawn by the researchers. Be precise in describing all reasons as to why you think the conclusion is or is not supported.
(10 marks)
In order to determine how much alcohol older Australians (50 years or older) consume in a year, Liquorland, a liquor retailer, conducted an in-store survey. 500 randomly selected Liquorland customers were approached and asked if they were 50 or older to qualify for participation. They were offered a $20 Liquorland gift card for participating. As such, 438 customers participated in the survey. The survey asked participants for their Liquorland loyalty card number, which allows customers to receive promotional pricing. Liquorland used this number to check their purchases for the last year. Liquorland then calculated how many standard drinks each of those customer had purchased during that period. They concluded that Australians aged 50 years or older consume an average of 883 standard drinks a year.
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