Four students (A-D) each performs an analysis in which exactly 10.00 mL of exactly

0.1M sodium hydroxide is titrated with exactly 0.1M hydrochloric acid. Each student

performs five replicate titrations, with the results shown in the table below. Comment

on the accuracy, bias, and precision of each student. Use 5% level of significance.

(8 Marks)

Student A Student B Student C Student D

10.08 9.88 10.19 10.04

10.11 10.14 9.79 9.98

10.09 10.02 9.69 10.02

10.10 9.80 10.05 9.97

10.12 10.21 9.78 10.04