Question: b) The Center for Academic Innovation & Competitiveness (CAIC) at a university is conducted a survey to study the lecturer's reading habit. The questionnaires were

b) The Center for Academic Innovation & Competitiveness (CAIC) at a university is conducted a survey to study the lecturer's reading habit. The questionnaires were distributed to all lecturers and the results of the data were summarized. The first set of data summarizing the number of books in lecturer's offices with average is 16 and the standard deviation is 5. The second data set contains the age of lecturers with average is 35 years and the standard deviation is 8 years. i) Write the mean and standard deviation of the two groups of data in mathematical notation. (2 marks) ii) Which group of data is more variable? Why? (2 marks)

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