For the data shown in the stem-and-leaf plot, what is the effect on the mean and median of adding the value 10 to the data set? a. the mean is decreased by about 0.7 and the median is decreased by 2. b. the mean is decreased by about 0.7 and the median is decreased by 3. c. the mean is decreased by about 1.2 and the median is decreased by 2. d. the mean is decreased by about 1.2 and the median is decreased by 3.

the answer is:

the answer is:

to solve the problem, we need to remember the quotient of power property, it's defined by the following relation:

if we have a quotienf of powers that have the same base, we need to keep the same base and subtract the exponent of the denominator power to the exponent of the numerator power.

so, we are given the expression:

then, calculating we have:

hence, the answer is:

have a nice day!