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ACT Portfolio Q1

The EPA has determined that the number of cars sold is related to the amount of air pollution in a city. The table below shows the number of cars sold
each month last year. What is the median of the data in
the table?
*
Captionless Image
13
16
20.5
19
23.5
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1 answer

To find the median of a set of numbers, you first need to list the numbers in order from smallest to largest. Once the numbers are arranged, the median is the middle number. If there is an even number of observations, the median will be the average of the two middle numbers.

Based on the values you've given:

  • List of numbers: 13, 16, 19, 20.5, 23.5

Step 1: Order the numbers

  • The numbers are already in ascending order: 13, 16, 19, 20.5, 23.5

Step 2: Count the numbers

  • There are 5 numbers in total.

Step 3: Find the median

  • Since 5 is an odd number, the median is the middle value, which is the 3rd number in this ordered list.

Median = 19

So, the median of the data in the table is 19.