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¦.
By Jisun Choi | April 22, 2015 06:00 PM EDT. (Photo: Instagram (jessaseewald)). Now that Jill Duggar has had her first baby, itâs Jessa Duggarâs turn! â19 Kids and Countingâ star and her husband Ben Seewald announced that they are expecting a baby on their wedding anniversary.