Z Score -2.155

We looked up the Z Score for -2.155 in our Normal Distribution Tables with Z Scores so you don't have to!

First, note that a Z Score of -2.155 means that your statistic is -2.155 standard deviation to the left of the mean on a bell curve. Here is a Bell Curve so you can visualize where -2.155 is on a bell curve.

We used three different distribution tables, and we will give you the -2.155 Z Score probability, percentile, and explanations for all three.

Cumulative from mean
This gives you the probability of the area from the mean to your Z Score. The cumulative from-mean probability and percentile for a -2.155 Z score is displayed here:

0.484419082890685
= 48.4419%

Cumulative
This gives you the probability of the area below the Z Score. The cumulative probability and percentile for a -2.155 Z score is displayed here:

0.0155809171093155
= 1.5581%

Complementary cumulative
This gives you the probability of the area above the Z Score. The complementary cumulative probability and percentile for a -2.155 Z Score is displayed here:

0.984419082890685
= 98.4419%

Z Score Table Lookup
Here you can submit Z Scores between -3.999 and 3.999 for us to look up in our Normal Distribution Tables.

Z Score -2.154
Here is the next Z Score we looked up in our Normal Distribution Tables.

The percentiles on this page are rounded to the nearest 4 decimals.