the following list contains the number of movies that a group of 11 students saw in theaters in the past 12…

the following list contains the number of movies that a group of 11 students saw in theaters in the past 12 months. 10, 20, 15, 17, 9, 18, 11, 15, 18, 19, 15. find the median number of movies that the students saw.

the following list contains the number of movies that a group of 11 students saw in theaters in the past 12 months. 10, 20, 15, 17, 9, 18, 11, 15, 18, 19, 15. find the median number of movies that the students saw.

Answer

Explanation:

Step1: Sort the data set

$9, 10, 11, 15, 15, 15, 17, 18, 18, 19, 20$

Step2: Find the middle - value

Since there are $n = 11$ (an odd number) data points, the median is the $\left(\frac{n + 1}{2}\right)$-th value. $\frac{11+ 1}{2}=6$-th value.

Answer:

$15$