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Consider a given data set represented as a matrix with 50 rows and 8 columns giving the following statistics in the respective columns. Population:Population estimate as of July 1, 1975. Income:Per capita income (1974)Illiteracy: Illiteracy (1970, percent of population)Life Exp:Life expectancy in years (1969-71)Murder: Murder and non-negligent manslaughter rate per 100,000 , populations (1976)HS Grad:Percent high-school graduates (1970) Frost: Mean number of days with minimum temperature below freezing (1931-1960) in capital or large city. Area:Land area in square miles . Find out how many states have an income of less than 4300?