Duplicate the KOOS Jr. Scoring interval algorithm
05AB1E, 59 bytes

•G‚Œιã¶&amp;‡Vc–QΩ`ååI~(Ìö{3.ùSÿ{Ćι¯TærÆcï`₃āÀ}ªHÕ¶η•4ô.¥R3°/Iè


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Explanation

•G‚Œιã¶&amp;‡Vc–QΩååI~(Ìö{3.ùSÿ{Ćι¯TærÆcï₃āÀ}ªHÕ¶η• is a compressed version of the input constructed by:


multiplying each element in the input by 1000
reversing the resulting list
calculating deltas
joining to a single base-10 number
compressing to base-255


The rest of the code is then:

4ô          # split in pieces of 4
  .¥        # undelta
    R       # reverse
     3°/    # divide each by 1000
        Iè  # index into list with input