The accompanying data file has three variables,x₁, x₂, x₃. [Note: If you are using Excel to calculate percentiles, use the PERCENTILE.INC function.]

a.Calculate the 25th, 50th, and 75th percentiles forx₂.(Round your answers to 2 decimal places.)

b.Calculate the 20th and 80th percentiles forx₃.(Round your answers to 1 decimal place.)

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