Preview - Sampling Distributions 2021

Investigating Normal Probability Plots using CODAP

Follow the steps below to create a Normal Probability Plot! Answer the questions as you go through each step.  

Questions

Please answer the questions below.

Step 1: Sort the data in ascending order. To make sure you did this correctly, enter the smallest and largest value in this data set in the blanks below.  

Step 2: Calculate the percentile ("Percentile-Rank") for each data point. When you're done, give the percentile for data point #48 in the table. 

When you're done, take a screenshot of your normal probability plot and upload the screenshot below.

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Describe what you see in the normal probability plot. Use these observations to make an inference about the shape of the distribution of this sample data. 

Notes

These notes will appear on every page in this lesson so feel free to put anything here you'd like to keep track of.