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¦.
Jill is the first of the female Duggar children to be engaged; her older brother Josh is married with three children of his own. For Jill, being the first of her sisters to get married is really exciting, but also bittersweet as she'll have to move out of her parents' home in Arkansas.