The answer is no solutions
A large interquartile range shows the range in values of the central 50% of the data.
Median: (9+11)/2=10
mean: (2+5+9+11+17+19)/6=63/6=10.5
Those are your answer.
Answer:
y-4x+12=0
Step-by-step explanation:
(x1,y1)=(2,-4) and m=4
y-y1=m(x-x1)
y-(-4)=4(x-2)
y+4=4x-8
y-4x+4+8=0
y-4x+12=0
Kiri walks : 4 km per week
0.5 × 5 + 0.75 × 2 = 2.5 + 1.5 = 4 km per week.
WHY?
Because 0.55 is close to 0.5 and 1.4 is closer to 1.5
HOPE THIS HELPS