Question: Song lengths data in StatCrunch, Chapter 26: This data set gives the playing time (in seconds) of a sample of 639 songs grouped by genre.

Song lengths data in StatCrunch, Chapter 26: This data set gives the playing time (in seconds) of a sample of 639 songs grouped by genre. Fit a multiple regression of Rating on five dummy variables representing the blues, country, folk, jazz and Latin genres. Write down this equation. Interpret the estimated intercept and slopes in the context of this problem. Also include a graphical representation of the data

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