Question 1 (7 marks) Marks a. The manager of a bank with 50,000 customers commissions a survey to gauge customer views on internet banking. which would incur lower bank fees. In the survey, 28% of the 350 customers say they are interested in internet banking. i. What is the population of interest? [1] ii. What is the sample? [1] iii. Is the value 28% a parameter ora statistic? [1] b. The compensation received by the highest-paid executives of 12 international companies (in $000) is as follows: mam-\"mm -mmml i. Find the mean and the median compensation of the executives. [2] ii. Comment on the skewness of the distribution of the executives' compensations. [1] Question 1 (continued) Marks 0. In a sample of 993 recent car buyers, the participants are asked to identify the most useful source of information about the cars they purchase. The responses and their frequencies are listed in the table. Source Consumer guide Dealership Word of mouth Internet Based on this sample data, what percentage of car buyers have found either a dealership or the internet as the most useful source of information about the cars they purchase? [1]