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¦.
When TLC cameras first met the Duggar family for 2004âs 14 Kids and Pregnant Again special, Arkansas parents Jim Bob and Michelle Duggar were already doing quite well for themselves. Since then, thanks to an additional boost from TLC, the Duggarsâ net worth has grown to an estimated $3.5 million. After Jim Bob and Michelle married in 1984, he worked for various stints as an insurance salesman and car salesman.