How do you find the mean, median, and mode of the data set: 15, 13, 9, 9, 7, 1, 11, 10, 13, 1, 13?
The mean is the average, equal to
The median is the central number of a set ordered least to greatest.
The mode is the number that appears most frequently.
Sum of all the data:
Number of data points:
The data set in order:
Cross out outer ones until you fine the middle:
Median = 10
The number 13 appears 3 times, which is more than any other number.