Question 1 (12 marks) (a) Amy took a Covid-19 test and her result was positive. She has moderate symptoms and is desperate to get well. She receives a forwarded message claiming that 10 people has been cured of Covid-19 afer taking pill X. She is considering to take the pill. Perform an online search about "anecdotal evidence". Describe your findings. Then, discuss whether one should make conclusions about the effectiveness of the pill based on this sample of 10 people. In other words, can we make generalizations to the population based on this sample of 10 people? Lastly, if you were Amy's friend, what would be your advice to her? Provide the references from which you obtained your answer. (5] (b) When conducting a survey, there are various ways to sample a population. Here, let's focus on convenience sampling. (i) Describe what is convenience sampling, [2] (ii) If one picks a sample merely by convenience, the results may not be representative of the population. When results from the sample are not representative of the population, they are said to exhibit bias. Results from surveys conducted using a convenience sample typically results in sampling bias. Find out what is sampling bias. Then, provide an example of a survey that is conducted using convenience sampling, and why such a survey would suffer from sampling bias. Provide the references from which you obtained your answer. [1] 2/3 Question 1 (12 marks) (a) Amy took a Covid-19 test and her result was positive. She has moderate symptoms and is desperate to get well. She receives a forwarded message claiming that 10 people has been cured of Covid-19 afer taking pill X. She is considering to take the pill. Perform an online search about "anecdotal evidence". Describe your findings. Then, discuss whether one should make conclusions about the effectiveness of the pill based on this sample of 10 people. In other words, can we make generalizations to the population based on this sample of 10 people? Lastly, if you were Amy's friend, what would be your advice to her? Provide the references from which you obtained your answer. (5] (b) When conducting a survey, there are various ways to sample a population. Here, let's focus on convenience sampling. (i) Describe what is convenience sampling, [2] (ii) If one picks a sample merely by convenience, the results may not be representative of the population. When results from the sample are not representative of the population, they are said to exhibit bias. Results from surveys conducted using a convenience sample typically results in sampling bias. Find out what is sampling bias. Then, provide an example of a survey that is conducted using convenience sampling, and why such a survey would suffer from sampling bias. Provide the references from which you obtained your answer. [1] 2/3
