Find the Area between Two Negative Z Scores
The area between two negative scores can be found by finding the area between two zscore and subtracting the small area from the larger area.
The ZScore table represents the area under the normal curve for a normal distribution.
In this article, we will discuss how to find the area between two negative z scores on one side of the mean with an example.
The Area between two negative Z Scores
To find the area between two negative zscores, let’s understand with an example.
Consider, that you have z scores of 0.45 and 0.95 and you want to find the area between these two negative z scores.
These zscores are negative hence we will use a negative zscore table chart.
Follow the below steps to find the area between two negative z scores

Step 1: Two ZScore values are 0.45 and 0.95

Step 2: Use the negative z score table to find the area for each z score.

Step 3: Find the area for 0.45
Use the negative zscore table to find the area. Look for 0.4 in the left column and 0.05 in the row, the intersection between these two is 0.3264.
 Step 4: Find the area for 0.95
Use the negative z score table to find the area. Look for 0.9 in the left column and 0.05 in the row, the intersection between these two is 0.1711.
 Step 5: Subtract the smaller area from the larger area
In steps 3 and step 4, we find the areas for two negative zscores as 0.3264 and 0.1711
To find the area between two negative z scores, subtract the smaller area from the larger area as given below
= 0.3264 – 0.1711
= 0.1553
The resultant 0.1553 is the area between the two negative z scores.
ZScore Tip: How to find the area between two zscores of opposite sides of the mean!
Conclusion
I hope the above article on how to find the area between two negative z scores on one side of the mean is helpful to you.
You can find more topics about ZScore and how to calculate the z score given the area on the ZscoreGeek home page.