Statistics, Analytics, Data Science, Database.
values falling left of -1 is 0.16. (1–0.16) 0.84 is what lies to the right of -1. The Excel equivalent in RStudio is pnorm(<z-score>,mean=0,sd=1) and the python equivalent is stats.norm.cdf(<z-score>) from scipy.stats module. So when we say 68% of standard normal observations would fall within one