2 years ago

What is the median score on the exam ? a) 70 b) 75 c) 77.5 d) 85

Mathematics

1 answer:

My name is Ann [436]2 years ago

4 0

Answer:

b) 75

Step-by-step explanation:

The median (middle quartile) marks the mid-point of the data and is shown by the line that divides the box into two parts.

Therefore, from inspection of the box plot diagram, the median is 75

<u>Additional information</u>

Lower quartile (Q1) = 70

Median (Q2) = 75

Upper quartile (Q3) = 85

IQR = Q3 - Q1 = 85 - 70 = 15

Minimum value = 55

Maximum value = 100

Range = Max - Min = 100 - 55 = 45

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