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Electronic Code of Federal Regulations

e-CFR data is current as of February 20, 2020

Title 10Chapter IISubchapter DPart 429Subpart B → Appendix


Title 10: Energy
PART 429—CERTIFICATION, COMPLIANCE, AND ENFORCEMENT FOR CONSUMER PRODUCTS AND COMMERCIAL AND INDUSTRIAL EQUIPMENT
Subpart B—Certification


Appendix A to Subpart B of Part 429—Student's t-Distribution Values for Certification Testing

Figure 1—t-Distribution Values for Certification Testing

[One-Sided]

Degrees of freedom
(from Appendix A)
Confidence Interval
90%95%97.5%99%
13.0786.31412.7131.82
21.8862.9204.3036.965
31.6382.3533.1824.541
41.5332.1322.7763.747
51.4762.0152.5713.365
61.4401.9432.4473.143
71.4151.8952.3652.998
81.3971.8602.3062.896
91.3831.8332.2622.821
101.3721.8122.2282.764
111.3631.7962.2012.718
121.3561.7822.1792.681
131.3501.7712.1602.650
141.3451.7612.1452.624
151.3411.7532.1312.602
161.3371.7462.1202.583
171.3331.7402.1102.567
181.3301.7342.1012.552
191.3281.7292.0932.539
201.3251.7252.0862.528

[76 FR 12451, Mar. 7, 2011; 76 FR 24780, May 2, 2011]

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