1 Suppose, for example, that we conducted a survey to estimate the average weight of high school students. 2  Since we are only working with one variable (weight), we would be working with univariate data. 3  Bivariate data.
Contributing to a traditional IRA can create a current tax deduction, plus it provides for tax-deferred growth. While long-term savings in a Roth IRA may produce better after-tax returns, a traditional IRA may be an excellent alternative if you qualify for the tax deduction. Use this traditional IRA calculator to view the amount that could be saved using a traditional IRA. Javascript is required for this calculator. If you are using Internet Explorer, you may need to select to 'Allow Blocked Content' to view this calculator.
You contribute $6,000 to a Traditional IRA in 2010 (tax deductible) Total: $6,000 pre-tax. You contribute $6,000 to a Traditional IRA in 2011 (tax deductible) Total: $12,000 pre-tax. You contribute $6,000 to a Traditional IRA in 2012, but find out your income is too high to take the deduction (not tax-deductible) Total: $12,000 pre-tax, $6,000 post-tax.