A random sample of six music students played a short song, and the number ofmistakes in music each student made was recorded. After they practiced the song 5times, the number of mistakes each student made was recorded again. The data areshown below. At a = 0.05, can it be concluded that there was a decrease in the meannumber of mistakes?StudentACDBefore1068.8.138.After49.

Applying a paired 't' test, sample size,n= 6 Mean (d̄) =Σd/n = 21/6…

Answered: A random sample of six music students…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A random sample of six music students played mistakes in music each student made was record times, the number of mistakes each student made shown below. At a = 0.05, can it be concluded tha number of mistakes? Student A C