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.
While your Roth IRA contributions are not tax deductible, you can claim a Roth IRA tax credit on IRS Form 8880 of up to 50% on your first $2,000 in Roth IRA contributions if your income falls within the predetermined income limits.nlike 401k or Traditional IRA contributions, Roth IRA contributions are not tax deductible. According to the Roth IRA funding rules established by the IRS, all your contributions must be made with after-tax dollars.