For a data set, the value of the range is 70. The highest score is 77. Find the value of the lowest score.
A
72
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B
71
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C
7
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D
70
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Solution
The correct option is C 7 We know that, Range = Highest score - Lowest score We are given, Range = 70 Highest score = 77 So, 70 = 77 - Lowest score ⇒ Lowest score = 77 - 70 Lowest score = 7