1. Find the range and mode for the following data. (I). 105, 208, 320, 208, 110, 520, 208, 116, 118, 120. (II) 4, 5, 6, 4, 4, 7, 16, 25, 5, 4, 5, 7, 2, 5. (III) 34, 38, 24, 24, 55, 76, 45, 11, 34, 24. (IV) a, b, c, z, d, a, g, r, s ( take value a=1, b=2, .... z= 26 to find the range of this data)
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(I) - mode is 520 and range is 520 - 105 = 415.
(II) mode is 25 and range is 23
(III) mode is 76 and range is 65
(IV) mode is 26 (z) and range is 26 - 1 = 25
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