In an exam, students in a class scored as follows: S= [45, 67, 95, 89, 88, 40, 90, 88, 56, 78, 88, 76] What is the mode for the data shown above?

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A: metropolitan freeway 16 19 17 20 19 18 14 18 18 19 15 17 16 17 16 18 18 19

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A: x Frequency (f) f⋅x 6 2 12 7 3 21 8 7 56 9 7 63 10 1 10 --- --- ---   n=20 ∑f⋅x=162

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A: O E (O-E)^2 (O-E)^2/E 72 60.27331 137.5154 2.28153 83 74.37394 74.4089 1.00047 52 62.76165…

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