Question: Trevor is studying the difference in time in seconds it takes a rat to get through a maze with and without prior experience. He came

Trevor is studying the difference in time in seconds it takes a rat to get through a maze with and without prior experience. He came up with the following confidence interval for the difference between the times:

[ 7.36, 6.86].The sample mean difference was -7.11. The error bound is defined by:

Right Endpoint - Sample Mean Difference

Find the error bound.

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