Question

After the ISO9000 procedure is introduced by the Ministry of Education, the Utopia Island

Teachers’ Union claims that school teachers have spent more than 2 hours on paper work every

week, and as the result, the teaching quality has been affected. A random check with 50 teachers

from different schools in the island has shown that teachers spent an average 2.5 hours of

paperwork on weekly basis. Test whether the claim by Utopia Island Teachers’ Union is valid.

Standard deciation of sample of 1.5 hours.

( 7 marks)

Answer 1