9 The score in a social science test of 10 students is as follows : 19, 12, 15, 12, 19, 14, 15, 13, 12, 18 Find the mean , mode and Range.
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Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
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Step-by-step explanation:- Mean = Sum of the terms/ the number of terms
= 149/10
= 14.9
Range = 19 - 12
= 7
Mode = 19 becuase it is occuring twice and it is the highest value here
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