On Sunday night, the expecting momma sent a series of videos on Snapchat gushing about her growing baby bump and how she's feeling grateful and blessed to welcome a child with Rob Kardashian! As you know, the 28-year-old already has one toddler King Cairo she shares with Kylie Jenner's BF Tyga.
Your T-score is your bone density compared with what is normally expected in a healthy young adult of your sex. Your T-score is the number of units â called standard deviations â that your bone density is above or below the average.
The z-score is only defined if one knows the population parameters; if one only has a sample set, then the analogous computation with sample mean and sample standard deviation yields the Student's t-statistic.hus, a positive standard score indicates a datum above the mean, while a negative standard score indicates a datum below the mean.