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.
No retirement plan at work. Your deduction is allowed in full if you (and your spouse, if you are married) arenât covered by a retirement plan at work. These charts show the income range in which your deduction may be disallowed if you or your spouse participates in a retirement plan at work:1  IRA Deduction if You ARE Covered by a Retirement Plan at Work - 2014.RA Deduction Limits. You may be able to claim a deduction on your individual federal income tax return for the amount you contributed to your IRA. See. . Roth IRAs. Roth IRA contributions arenât deductible.