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irinina [24]
3 years ago
5

Last one Please show your work

Mathematics
1 answer:
statuscvo [17]3 years ago
8 0
Mean = (Sum of values)/(Number of values)

Mean\\ \\ =\frac { 55+62+61+54+68+72+59+61+70 }{ 9 } \\ \\ =\frac { 562 }{ 9 } \\ \\ =62.4\quad mph\quad (1\quad d.p)\\ \\

Range = Highest Value - Lowest Value

Range\\ \\ =72-54\\ \\ =18\\ \\
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