Chapter 6 Section 2 - Portland Community College

The mean time is 20 seconds for one particular maze. A researcher thinks that playing rap music will cause the mice to complete the maze faster. She measures how long each of 12 mice takes with the rap music as a stimulus. ... ( = 2.6 hours. The statement “show a different average” is interpreted to the alternative, Ha: ( ≠ 2.6 hours. ................
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