QUESTION 1 a} bi Suppose you have been hired by a computer manufacturer in Malaysia to determine the age distribution of their customers. i] Identify the variable in this study. {1 mark) ii] Identify the type of variable under study as nominal. ordinal. discrete or continuous. {1 mark) The Center for Academic Innovation & Bompetitiveness (CAI G} at a university is conducted a survey to study the Iecturer's reading habit. The questionnaires were distributed to all lecturers and the results of the data were summarized. The rst set of data summarizing the number of books in lecturer's ofces with average is 15 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 E- 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} Fifty carrots are grew using special soil. Each carrot is dig up and lengths are measured (to the nearest mm). Table below shows the results. [WI [T [T [T [T IT IT? [Tlf [WT i) Calculate the mean length of the carrot. {2 marks} ii] Calculate the mode and interpret the value. (4 marks)