Please I need help as soon as possible

47. C. 30

48. D. 50

49. A. 10

50. A. 10

Step-by-step explanation:

47. The point in the middle of the box is the median, 30

48. The range is the last dot - the first dot outside of the box, 50 - 0 = 50

49. The interquartile range is the range inside the box, the first dot in the box is between 20 and 30, 25. The last dot in the box is between 30 and 40, 35.

35 - 25 = 10

50. Test A's median is 30, Test B's median is 40. 40 - 30 = 10

Hope this helps ^^

- "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."

well what did you do it matters what you did : )

step-by-step explanation: