z-score

1.5

Percentile: 93.32% of values fall below x = 82. Area to the right: 0.0668.

Steps

  1. 1.z = (x - mean) / SD = (82 - 70) / 8
  2. 2.z = 12 / 8 = 1.5
  3. 3.area to the left of z (from the standard normal table): 0.9332

Z-score calculator: value to z to percentile · free from StatsLearn