Between-homicides data on normal probability plot

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Kittlitz (1999) presents data on homicides in Waco, Texas, for the years 1980-1989 (data taken from the Waco Tribune-Herald, December 29, 1989). There were 29 homicides in 1989. The table gives the dates of the 1989 homicides and the number of days between each homicide. (a) Plot the days-between-homicides data on a normal probability plot. Does the assumption of a normal distribution seem reasonable for these data? (b)Transform the data using the fourth root of the data of y [days], i.e., . Plot the transformed data on a normal probability plot. Does this plot indicate that the transformation has been successful in making the new data more closely resemble data from a normal distribution?

Reference no: EM131138293

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