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Question 1 (18 marks) A beverage company conducted a study examining whether people preferred the taste of their soft drinks to the taste of their competitors' soft drinks. In the study, there were 216 Chinese, 171 Malays, 103 Indians, and 90 people from other ethnic groups (Others). The company wants to know whether the proportion of people in each ethnic group in the sample is the same as the corresponding proportion in the population. According to census data, as of 2021, the proportions of the ethnic groups in the population are: Chinese (74.25%), Malays (13.66%), Indians (8.90%) and Others (3.19%). Identify the most appropriate statistical test to conduct if the company wants to determine whether the proportion of people in each ethnic group in the sample is different from that in the population. Explain why this is the most appropriate statistical test by providing two reasons in the context of this study. Then, using hand calculations, analyse the data by conducting the statistical test you identified. Show all working. Interpret the results of your data analysis. Explain your answer with reference to the p value and the alpha level. Use an alpha level of .05