Question

Find the average of 3/4, 5/8, 7/12, 15/16.

• A. 11/32
• B. 139/192
• C. 21/64
• D. 135/64

Answer 1

Answer:

B. 139/192

Sum of fractions = 3/4 + 5/8 + 7/12 + 15/16 = (36 + 30 + 28 + 45)/48 = 139/48 Average = Sum/Number of observations, Average = 139/(48 x 4) = 139/192