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= 0.10, 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 H] be the mean before practicing and \"D = \"1 \"2- Student A B C D E F Before 7 10 10 9 9 13 After 66128412 Send data to Excel Part 1 of 5 (a) State the hypotheses and identify the claim. Ho: (Choose one) 0>0 0