To solve the problem of finding the median of the numbers shown in the bar chart, let's follow these steps:
Step 1: Extract the data from the bar chart
The bar chart shows the number of people on the bus for each day of the week. We can read the values as follows:
-
Wednesday: 90 people
-
Thursday: 70 people
-
Friday: 80 people
-
Saturday: 80 people
-
Sunday: 50 people
-
Monday: 80 people
-
Tuesday: 50 people
So, the list of numbers is:
\[ 90, 70, 80, 80, 50, 80, 50 \]
Step 2: Arrange the data in ascending order
To find the median, we need to arrange the numbers in ascending order:
\[ 50, 50, 70, 80, 80, 80, 90 \]
Step 3: Determine the median
The median is the middle value in an ordered list of numbers. If the list has an odd number of elements, the median is the value at the position \(\frac{n+1}{2}\), where \(n\) is the number of elements.
Here, the list has 7 elements (an odd number). The median will be the value at the position:
\[
\frac{7 + 1}{2} = \frac{8}{2} = 4
\]
So, the median is the 4th value in the ordered list:
\[ 50, 50, 70, \mathbf{80}, 80, 80, 90 \]
The 4th value is \(80\).
Final Answer:
\[
\boxed{80}
\]
Parent Tip: Review the logic above to help your child master the concept of mean median mode graph worksheet.
