Question: For the data set 3, 7, 8, 12, what is the median?
Options:
7
8
10
12
Correct Answer: 8
Solution:
Median is the average of 7 and 8, which is 7.5.
For the data set 3, 7, 8, 12, what is the median?
Practice Questions
Q1
For the data set 3, 7, 8, 12, what is the median?
7
8
10
12
Questions & Step-by-Step Solutions
For the data set 3, 7, 8, 12, what is the median?
Step 1: Write down the data set: 3, 7, 8, 12.
Step 2: Arrange the numbers in order (they are already in order).
Step 3: Count how many numbers are in the data set. There are 4 numbers.
Step 4: Since there are 4 numbers (an even amount), find the two middle numbers. The middle numbers are 7 and 8.
Step 5: Calculate the average of the two middle numbers (7 and 8). To do this, add them together: 7 + 8 = 15.
Step 6: Divide the sum by 2 to find the average: 15 ÷ 2 = 7.5.
Step 7: The median of the data set is 7.5.
Median – The median is the middle value of a data set when it is ordered. If there is an even number of observations, the median is the average of the two middle numbers.
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