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¦.
Net Worth: $15 Million. About Tisha Campbell. American actress and singer Tisha Michelle Campbell-Martin was born in Oklahoma on October 13th 1968. She has a net worth of $15 million. Tisha is known for doing an outstanding job in the television series Martin, My Wife and Kids and The Protector. She has won a couple of awards for âMy Wife and Kidsâ.