Question:
In a quality check of a sample of plastic pipes the
Last updated: 2/8/2023
In a quality check of a sample of plastic pipes the diameters of 16 pipes were measured and the results in mm were 30 279 30 082 31 172 30 903 30 03 30 971 31 207 29 832 30 888 29 986 29 971 30 215 29 647 31 625 30 196 30 189 Calculate the mean of these measurements in mm giving your answer correct to 2 decimal places mm to 2 d p The mean is