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car a and car b were in a race. the driver of car b claimed that his car was twice as fast as car a

do you agree with this claim? why or why not?

a.

yes, because the bar for car b is twice as tall as the bar for car a.

b.

yes, because the speed of car b is twice that of car a.

c.

no, because car b was only 10 mi/hr faster than car a.

d.

no, because the vertical scale exaggerates the differences in speed.

Option D. No, because the vertical scale exaggerates the differences in speed

Step-by-step explanation:

we know that

Observing the graph

The speed of Car A is 171 mi/h

The speed of Car B is 172 mi/h

so

The speed of Car B is not twice that speed of Car A

The speed of Car B is only 1 mi/h faster than the speed of Car A

The vertical scale of the graph exaggerates the differences in speed

solution:

as, mean is defined as sum of all the observations divided by total number of observations.

and , median is mid value of the data whether arranged in ascending order or descending order.

consider, roadsters:

2,3,4,5,6,7,8,9

mean =

also, median= , because number of observations is even, so median is mean of two mid values.

now, coming to bandits

2,3,4,5,6

mean =  

median = 4, as number of observations is odd.

so, roadsters has greater median as well mean than bandits.

→option a is true about the repairs performed on 2 types of cars:

bandits have lower median and mean than roadsters.