Question 3 Drawing upon examples from either the case study organisation, your own organisation, or one with which you are familiar (select an organisation) select an appropriate quantitative measure (such as turnover, profit, available from annual reports etc) and having obtained values over a number of equal time periods calculate the following: a) the mean b) mode c) the standard deviation You must include all your manual calculations. Use an Excel spread sheet to verify your calculations and embed a copy of this spreadsheet in your answer. In order to complete this task, you will need to consider as a first step the factors outlined in the course materials, referring as a start to the lesson on Quantitative Analysis: Coding and Descriptive Statistics and add relevant external sources to your answer. (400 words) (25 marks)