the friday attendance at a local theater is shown for the last 7 weeks. what is the median friday attendance…

the friday attendance at a local theater is shown for the last 7 weeks. what is the median friday attendance for the 7 - week period?\n| week | attendance |\n| ---- | ---- |\n| 1 | 71 |\n| 2 | 131 |\n| 3 | 130 |\n| 4 | 80 |\n| 5 | 178 |\n| 6 | 105 |\n| 7 | 131 |\na 131\nb 117\nc 130\nd 118

the friday attendance at a local theater is shown for the last 7 weeks. what is the median friday attendance for the 7 - week period?\n| week | attendance |\n| ---- | ---- |\n| 1 | 71 |\n| 2 | 131 |\n| 3 | 130 |\n| 4 | 80 |\n| 5 | 178 |\n| 6 | 105 |\n| 7 | 131 |\na 131\nb 117\nc 130\nd 118

Answer

Answer:

C. 130

Explanation:

Step1: Arrange data in ascending order

$71, 80, 105, 130, 131, 131, 178$

Step2: Find the middle - value

Since $n = 7$ (odd), the median is the $\left(\frac{n + 1}{2}\right)$-th value. $\frac{7+1}{2}=4$-th value. The 4 - th value in the ordered list is 130.