Psych/Soc, statistics, and epidemiology

z-score

z = (x − μ)/σ

x score, μ mean, σ standard deviation

Watch forIn a normal distribution, z = 1 is about the 84th percentile; ±1 SD covers about 68%.

Apply it · 2 questions

  1. Calculating a z-scoreData and statistics · set 2 · easy
  2. Percentile for z = +1Data and statistics · set 2 · medium