How to tell your own tooth

How to tell your own tooth with the backing of statistics? Piece of cake. I saw this chart on sales of private homes in My Paper today. The heading of the article is 'More HDB owners upgrading'. Reading from the chart, it quoted a 'DTZ's analysis of caveats captured by URA's Realis system,' and said, 'The number of private homes bought by those with HDB addresses also increased 35% quarter on quarter to 1,199, outpacing 3% increase over the same period in the number of private homes picked up by those with private properties.' Now comes the interesting part. Comparing the 1Q08 to 2Q08, the numbers were 888 and 1,199. So we see a 35% increase. But if you compare 2Q07 and 2Q08, also quarter on quarter, the numbers were 2,982 and 1,199. This is a fall of more than 50%. If one just read the heading, it gives the impression that more HDB owners are upgrading. Which is true if one is comparing 2Q08 with 1Q08. A rosy picture. But when comparing 2Q08 against 2Q07, it is like a recession is coming. And looking at the bigger picture, total purchases of private homes in 2Q07 is 13,513, 3Q07 is 9,441, 4Q07 is 5,,069. Then look at 1Q08 at 3148 and 2Q08 at 3,518, we are seeing a shrinking private housing market, from a peak of 13,513 to 3,518. Depending on how one uses statistics, it can tell all kinds of stories.