SAT Math Practice Question #32033 - SATify | SATify
#32033
arithmetic
comparison
average
arithmetic mean
data analysis
statistics
medium
90 sec
A data set consists of 5 numbers. The mean of these 5 numbers is 15. If a new number, x, is added to the data set, the mean of the 6 numbers becomes 17. What is the value of x?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.