Question

the graph below represents the number of siblings each student in a class has. siblings what was the median number of siblings? answer attempt 1 out of 2 siblings

Explanation:

Step1: Calculate total number of students

Add up the frequencies: $6 + 10+7 + 1+3+3=30$.

Step2: Determine position of median

Since $n = 30$ (even), the median is the average of the $\frac{n}{2}=15$th and $(\frac{n}{2}+ 1)=16$th ordered - data values.

Step3: Find cumulative frequencies

For $0$ siblings, cumulative frequency is $6$. For $1$ sibling, cumulative frequency is $6 + 10=16$.

Step4: Identify median value

The $15$th and $16$th values fall within the group of $1$ sibling.

Answer:

$1$