Distances of Stars of the 25 brightest stars, the distances from earth (In light-years) for some of those with distances less than 100 light-years are found below. Find the mean, median, mode, and midrange for the data.
4.4 16.8 25.3 42.2 8.6 11.4 36.7 25.1 33.7
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Find the mean.
Rounding rule for the mean: round to one more decimal place than the data as needed.
Mean:

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."

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139 divided by a number

step-by-step explanation: