Another variance problem.....

System
System Posts: 100,534 🤖 Admin 🤖
hi there,

told you id be back!

i have a long exam question (should take @1hr) that i cant fathom any of it out - i have some calculations done but am too confused.

if you are any good at these, and fancy having a go to see if you can help me out, id be grateful.

its too long to type in here, so please leave your email and ill send you a copy of it.

many thanks

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