Evaluate the difference between an old master patient index, and a newer version, which will be the most effective in organizing patient information?

Create a null hypothesis for the following  question:

In a study to evaluate the difference between an old master patient index, and a newer version, which will be the most effective in organizing patient information?

I need this to be in simple form with a bit of an explanation.

**Note I will look to see who has good reviews along with the lowest bid**

Need this done in the next 2-4 hours.

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