SAT Math Practice Question #34184 - SATify | SATify
#34184
average
statistics
data analysis
hard
90 sec
A data set of 6 numbers has an arithmetic mean of 45. If a new number, 30, is added to the data set, what is the new arithmetic mean of the 7 numbers?
• 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.
