Empirical rule. States that, in a normal distribution, about 68% of the terms are within one standard deviation of the mean, about 95% are within two standard deviations, and about 99.7% are within three standard deviations (normal curve). Lurking Variable.
Since then, thanks to an additional boost from TLC, the Duggarsâ net worth has grown to an estimated $3.5 million. Although we canât all have lucrative reality TV contracts, most of us can learn a few things from the Duggarsâ money philosophyâ¦.
Jim Duggar Net Worth. Loading... Jim Duggar is a real estate agent and television personality on the reality series 19 Kids and Counting. He is a former state legislator who served in the Arkansas House of Representatives from 1999 to 2002.