3.Calculate the Standard deviations of the following and round the final number to one less decimal place:a.C02: 33, 37, 40, 42, 45, 30, 25, 35, 47b.Chloride: 100, 102, 97, 95, 88, 90c.Sodium: 150, 148, 160, 157, 135d.Potassium: 4.5, 6.0, 5.5, 3.7, 4.0, 2.7, 2.0, 2.3, 2.5, 3.6