880 words (10 minutes reading time) by Lancing Farrell
The mean and median of the data set for all NSW councils
Professor Joseph Drew has posted another enlightening video on his YouTube channel. His analysis of 15 years of council data in NSW shows worrying increases in expenditure on staff, materials and depreciation. In fact, ‘worrying’ is an understatement. The situation is becoming catastrophic. Yet, no one seems overly worried in the Premier State.
Professor Drew has committed to producing the same data for Victoria. Maybe there will be more of a response from the Garden State. As every gardener knows, you have to observe what is happening and make timely interventions for a garden to succeed.
One of the challenges Professor Drew’s video has highlighted for me is the relatively low level of executive financial literacy and knowledge of statistics and data. This might explain the lack of response to the data from local government. Professor Drew goes to great lengths to explain the importance of measures of central tendency and the difference between the available measures. In particular, he is looking at the mean and standard deviations of the data set, and the median .
Are you digging out an old text book or searching on Google yet?
Continue reading