In the chi square analysis of cross-tabulated variables, the problem of low cell counts is usually solved by combining categories, at the cost of a loss of information, or by using larger samples, at ...

The product moment correlation coefficient is often used even for ordinal data with only a few scale steps. This procedure may lead to biased results, where the bias depends on the number of scale ...

Only 6% of US exchange-traded funds surveyed anticipated any capital gains distribution in 2025, and just 2% expected amounts above 1% of net asset value. The 10 largest distributions were mainly tied ...

As avid puzzlers know full well, the humble jigsaw puzzle is a thing of beauty in multiple ways. Not only are jigsaws an absorbing time sink, but multiple studies have demonstrated they are good for ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Eric's career includes extensive work in both public and corporate accounting with ...

IRA distributions are not considered earned income for the Social Security earnings test. Traditional IRA distributions increase AGI, which could cause up to 85% of your Social Security to be taxable.

A main benefit of 401(k) plans and individual retirement accounts is the ability to delay taxes on contributions and investment gains. However, you can’t avoid the tax man forever. “Once you reach a ...

Roth IRAs are exempt from RMDs, allowing lifelong investment growth without mandatory withdrawals. Inherited Roth IRAs must be fully withdrawn within 10 years if the owner died after 2019. Withdrawals ...

Following a major fire at a PG&E substation, restoration efforts are underway to reconnect affected customers in San Francisco. The utility emphasizes safety, ongoing communication... Power quality ...

With continued uncertainty in Washington and renewed geopolitical tensions abroad, many investors are growing uneasy as high-flying tech stocks face mounting headwinds toward year-end. Regardless of ...