Choose the answer. 3. (1 pt) For the data shown in the stem-and-leaf plot, what is the effect on the mean and median of adding the value 30 to the data set?
AThe mean is increased by about 0.4 and the median is increased by 3.
BThe mean is increased by about 0.4 and the median is increased by 4.
CThe mean is increased by about 0.6 and the median is increased by 3.
DThe mean is increased by about 0.6 and the median is increased by 4.
Based on the question, there's no stem-and-leaf plot being presented. Nevertheless, giving you the technique, before adding 30 to the data, get the mean and the median. After that, 30 to the data. Then, get the mean and the median. Compare it.
