Question

the box plots below show the lifespan, in months, of laptop batteries manufactured by four companies:
based on the data, which company manufactures batteries having the greatest variation in lifespan?
company a
company b
company c
company d

Explanation:

Step1: Identify variation metric

In box plots, the range (difference between maximum and minimum values) measures overall variation.

Step2: Calculate range for each company

• Company A: $25 - 17 = 8$
• Company B: $26 - 19 = 7$
• Company C: $28 - 18 = 10$
• Company D: $27 - 16 = 11$

Step3: Compare ranges

Company D has the largest range.

Answer:

Company D