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Acidic water has a pH less than 7 ; distilled water has a pH of 7 ( it is neutral ) ; Alkaine water has

Acidic water has a pH less than 7; distilled water has a pH of 7(it is neutral); Alkaine water has a pH greater than 7.
Acidity levels in 105 samples of a rainwater was measured on the pH scale. Again, here is R code to define the data values:
pH <- c(4.33,4.75,4.94,5.10,5.19,5.41,5.95,5.68,5.81,6.03,6.43,4.38,4.76,4.96,5.12,5.23,5.43,5.56,5.69,5.81,6.04,6.61,4.48,4.78,4.97,5.13,5.24,5.44,5.61,5.70,5.81,6.04,6.62,4.48,4.82,5.00,5.15,5.29,5.46,5.62,5.75,5.81,6.05,6.65,4.50,4.82,5.01,5.15,5.32,5.46,5.64,5.75,5.85,6.06,6.81,4.55,4.83,5.02,5.15,5.33,5.47,5.65,5.75,5.85,6.07,4.59,4.86,5.05,5.16,5.35,5.50,5.65,5.76,5.90,6.09,4.59,4.93,5.06,5.16,5.37,5.51,5.66,5.76,5.90,6.13,4.61,4.94,5.08,5.16,5.37,5.53,5.67,5.79,6.00,6.21,4.61,4.94,5.09,5.18,5.39,5.99,5.67,5.80,6.03,6.34)
Calculate the interquartile range for the data (Round your answer to 2 decimal places).

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