Questions: Median of a data set following list contains the number of movies that a group of 10 students saw in theaters in the past year 7,11,15,4,12,8,17,5,15,15 the median number of movies that the students saw.
Transcript text: Median of a data set
following list contains the number of movies that a group of 10 students saw in theaters in the past year
\[
7,11,15,4,12,8,17,5,15,15
\]
the median number of movies that the students saw.
Solution
Solution Steps
Step 1: Sort the Data
The sorted data set is: [4, 5, 7, 8, 11, 12, 15, 15, 15, 17].
Step 2: Determine the Position of the Median
Since the total number of observations, \(N\), is even (\(N = 10\)), the median is the average of the values at positions \(N/2 = 5\) and \((N/2) + 1 = 6\) in the sorted list.
Step 3: Calculate the Median
The median of the data set is the average of the two determined values: 12.