Question

• A. Branch Z
• B. Branch Y
• C. Branch X
• D. Branches Y and Z

Answer 1

Answer:

B. Branch Y

For X

Average =$\frac{50 + 45 + 55 + 50}{4} = \frac{200}{4} = 50$

For Y

Average = $\frac{35 + 45 + 45 + 55}{4} = 45$

For Z

Average = $\frac{45 + 40 + 40 + 60}{4} = 46.25$

minimum average = 45, that is the average is minimum for Y