Answer:
Step-by-step explanation:
Here, we want to answer questions about the measures of central tendency. Measures of tendency refer to single values which help us to give a definition to a set of data.
Now, let us answer the individual questions:
(a) The correct answers are the arithmetic mean and the median. These two values are the most sensitive to extreme values. The mean is likely to go up as a result of an extreme value while there might be a skew for the median if there are extreme values
(c) The mode might not exist for a sample of data. This is because it has to deal with the frequency of occurrence of a particular data point. In a scenario where all the data points are singly represented, there will not be a mode