Question 1 (10 marks) A survey is conducted in a restaurant to review customer's dining experience in the restaurant. Qu

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Question 1 10 Marks A Survey Is Conducted In A Restaurant To Review Customer S Dining Experience In The Restaurant Qu 1 (64.98 KiB) Viewed 50 times

Question 1 (10 marks) A survey is conducted in a restaurant to review customer's dining experience in the restaurant. Questionnaires are placed on all tables and all customers are invited to fill in the questionnaire after they finished their food. As expected, not every customer fills the questionnaire. A total of 126 questionnaires are collected in 1 week. Below is the extract of the questionnaire: (1) Which meal offered in our restaurant do you like most? (breakfast / lunch / tea / dinner) (ii) How many days have you come to our restaurant in October 2021? (iii) Which payment method do you prefer most? (Cash / Credit card / Octopus card) (a) Is 126 the population size or sample size? (b) For each of the above questions (i), (ii), and (iii), classify if the variable is numerical discrete, numerical continuous, or categorical. (c) Below are the number of visits made by ten customers in October 2021. 22 7 8 10 2 5 3 7 96 Find the minimum, 25th percentile, 75th percentile, maximum, range and interquartile range of the data.