The average of 4 numbers is 9. If another number 14 is included, then what is the new average?
Answer & explanation
Correct answer: option 4
Sum of 4 numbers = 4 × 9 = 36
Sum of 5 numbers = 36 + 14 = 50
Average of 5 numbers = \(\frac{50}{5}\) = 10
The average of 4 numbers is 9. If another number 14 is included, then what is the new average?
Correct answer: option 4
Sum of 4 numbers = 4 × 9 = 36
Sum of 5 numbers = 36 + 14 = 50
Average of 5 numbers = \(\frac{50}{5}\) = 10