- One method for determining the %w/w Na2CO3 in soda ash is an acid base titration. When analysts analyze the same sample of soda ash they obtain the results 86.82, 87.04, 86.93, 86.20, 87.00, 87.01,...

- One method for determining the %w/w Na2CO3 in soda ash is an acid base titration. When analysts analyze the same sample of soda ash they obtain the results 86.82, 87.04, 86.93, 86.20, 87.00, 87.01, 85.50, 87.32, 86.82. Treat results by calculation all statistical values at t=1.86