Recent content by tonycd

  1. tonycd

    "Consumer Reports ranks Toyota, Lexus most reliable, Mercedes worst"

    No, you do NOT have to have the same number of observations between one brand and another to make valid comparisons between them. Look up "levels of signifcance." Having "actual data" is exactly what DOES make Consumer Reports' survey important. Is it perfect? No. But it's much more valid than...
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