Please help me.. Here is a data set:

1 2 3 3 4 4 4 4 5 5 6 7

What happens to the mean and standard deviation of the data set when the 7 is changed to a 70?

Your

Analyze the solution below. 7 3 x = −2 7 3 x(3 7 ) = −2(3 7 ) x = − 6 7 what property was used to solve the equation? property of opposites division property of equality addition property of equality multiplication property of equality