Example Question #1 : Statistics
Find the mean of the data set provided:
In order to answer this question correctly, we need to recall the definition of mean:
Mean: The mean of a data set is the average of the numbers in a data set.
In order to calculate the mean we must first add up all of the numbers in the data set:
Next, we need to divide by the number of addends, or the number of numbers in the data set:
The mean for this data set is
Example Question #2 : Statistics
Find the median of the data set provided:
In order to answer this question correctly, we need to recall the definition of median:
Median: The median of a data set is the middle value, when the data set is ordered from least to greatest.
In order to find the median, we need to first organize the data from least to greatest:
Next, we can solve for the median by finding the middlemost number in our data:
The median for this data set is