Question: Find critical value and compute the test value as well Mistakes in a Song A random sample of six music students played a short song,

Find critical value and compute the test value as well

Mistakes in a Song A random sample of six music students played a short song, and the number of mistakes in music each student made was recorded. After they practiced the song 5 times, the number of mistakes each student made was recorded. The data are shown. At a: 0.05, can it be concluded that there was a decrease in the mean number of mistakes? Assume that all variables are normally or approximately normally distributed. Let 111 be the mean before practicing and PD = P1 [12. Student A B C D E F Before 37131196 After 249947 (a) State the hypotheses and identify the claim. H E] H E] This hypothesis test is a test

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