SAT Math Practice Question #13596 - SATify | SATify
#13596
statistics
data analysis
average
hard
120 sec
Data set A contains 100 values with a mean of 40. Data set B contains 50 values. When data set A and data set B are combined to form data set C, the mean of data set C is 45. What is the mean of data set B?
• 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.
