Answer:
Mean: 545
Median: 640
Mode: 640
Range: 470
Step-by-step explanation:
Mean: 250+250+500+640+640+640+720+720= 4360, there are 8 numbers,
4360÷8= 545
Mode: The most common number
Range: You take the largest (720) and subtract it from the smallest (250). 720+250= 470
