Question

the town council in hills creek is considering building a second branch of the towns public library. to determine how often people visit the library, each member of the council calls a random group of the towns citizens. the council members ask how many times each citizen visited the library in the previous month. here are the data from one council members sample: 1, 0, 5, 0, 4, 16, 9, 8, 1, 2, 0, 4 what is the median number of times the citizens in this sample visited the library in the previous month?

Explanation:

Step1: Sort data in ascending order

$0, 0, 0, 1, 1, 2, 4, 4, 5, 8, 9, 16$

Step2: Find middle position

$n=12$, position = $\frac{12}{2}=6$ and $\frac{12}{2}+1=7$

Step3: Calculate median from middle values

Median = $\frac{2+4}{2}=4$

Answer:

4