Question

Number Bus Rides Xi x̄ (xi-x̄) (xi-x̄)2 (xi-x̄)2*f 17 18 19 20 21 22 24 25...

Number Bus Rides

Xi

x̄

(xi-x̄)

(xi-x̄)2

(xi-x̄)2*f

17

18

19

20

21

22

24

25

Sum of Squares

SS=

Variance

S2 = SS/N-1

Standard Deviation

S = √S2

R

R=H-L

Q

Q=Q3-Q1
Math   Statistics-And-Probability   
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