Well, do people know is only a statisticians that have the right to work in any economical sector..... let's analyze it like these, in any governmental sector, u will see budgeting and planning ministry or office now let's go to the industrial sector, there is something they call quality control, to check whether a particular goods meet a specific needs by plotting xbar chat to check it and rectify or when u use regression analysis to check the sales of the company or industry over the past year and use it to forecast for the future sales and also to the banking and hospital sector, to know how many customer or patient has been admitted or discharge..... etc because u need the help of statisticians to plan and forecast for the future.