How to draw CRLB (Cramer Rao Lower Bound) for RMSE vs Noise?

I have the following estimation of RMSE for Noise varying from 10 to 40. How to draw its CRLB graph?

RMSE=[0.1252
    0.0914
    0.0846
    0.0825
    0.0707
    0.0664
    0.0660
    0.0604
    0.0562
    0.0507
    0.0486
    0.0460
    0.0444
    0.0431
    0.0372
    0.0368
    0.0366
    0.0330
    0.0329
    0.0280
    0.0278
    0.0255
    0.0250
    0.0179
    0.0170
    0.0165
    0.0103
    0.0097
    0.0092
    0.0089
    0.0067
]
Noise=10:40;

[Matthieu]

Did you find out ? I am interested in how to calculate the CRLB.