Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

junior college 2 | H2 Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Jennifer
Jennifer

junior college 2 chevron_right H2 Maths

The show part and part iii pls
tq!

Date Posted: 6 years ago
Views: 436
Tham KY
Tham KY
6 years ago
(iii) E(200samples)= E(100samples)+E(100samples) = 2E(100samples), coz exactly the same stat.
Var(200samples)= Var(100samples)+Var(100samples) = 2Var(100samples), same reason.

Use the new mean and variance to test the hypothesis....

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
LQTY
Lqty's answer
28 answers (A Helpful Person)
1st
I only can do the show part, can't help for part iii