Initial public offerings of stocks are on average underpriced. The standard deviation measure the dispersion, or variation, in the underpricing $-$overpricing indicator. A sample of $13$ Canadian IPOs that were subsequently traded on the Toronto Stock Exchange has a standard deviation of $14\mathrm{.}95.$ Develop a $95\%$ confidence interval estimate of the population standard deviation for the underpricing$-$overpricing indicator.