The arithmetic mean of a set of data which contains the number 7 has a value of 1 if the data breaker 81 number series to the average of the remaining 78 shall find that data has been eliminated to have much value.
The arithmetic mean of the data set, which contains 7 of the 81 if you cut out to make an average of 1 to 78, what is the data set that is cut out to have much value.
The arithmetic average of the data sets, one of which contains information 7 number is 81 if cut the output to 1 amount. The mean of this data set have 78, find out information that was cut off in the much.