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A very mathematically oriented musician has read studies showing that the average piece of popular music...

A very mathematically oriented musician has read studies showing that the average piece of popular music has 186.39 chord changes. The musician examines a random sample of 40 of his favorite songs and finds a mean of 172.12 chord changes with a standard deviation of 26.52. Perform the 4 steps of hypothesis testing (z test or t test), an alpha of .05 and a two-tailed test.
Math   Statistics-And-Probability   
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