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¦.
More StatsView More. Jim Bob Duggar was born on 18th July, 1965 in Springdale, Arkansas. He is a former real estate agent and state legislator with an estimated net worth of $3.6 million as of May 2015 according to Forbes. Jim has served in the Arkansas House of Representatives from 1999 to 2002.