Interval ratio scale and are normally distributed

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The student in Question 5 from Module 18 decides to conduct the same study using a within-participants design in order to control for differences in cognitive ability. He selects a random sample of participants and has them study different material of equal difficulty in both the music and no music conditions. The data appear below. As before, they are measured on an interval ratio scale and are normally distributed.

Reference no: EM13489390

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