Results of the Hausman test applied to the temperature power spectrum for 2 ≤ ℓ ≤ 32. The black histogram shows the expected distribution, estimated with simulations, of the s1 test statistic. The vertical bars represent Planck CMB maps and the 9 year WMAP ILC map. Note that the statistic is indistinguishable for the NILC and Commander maps.
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