**p-value:**

**z-value:**

mean:

std. dev:

Enter either the p-value (represented by the blue area on the graph) or the test statistic (the coordinate along the horizontal axis) below to have the other value computed.

mean:

std. dev:

-3

-2

-1

0

1

2

3

p = 0.05

z = 1.96

Link to calculation: