Loading...

#12888

statistics

data analysis

average

hard

150 sec

A data set consists of 9 positive integers less than 100. The list shown gives 8 of the integers from the data set. The sum of these 8 integers is 480. The mean of these 8 integers is 60. If the mean of the data set consisting of all 9 integers is an integer, and the 9th integer is greater than 60 and has a units digit of 8, what is the value of the 9th integer?

• 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.