ATAR Notes: Forum

HSC Stuff => HSC Maths Stuff => HSC Subjects + Help => HSC Mathematics Extension 1 => Topic started by: Jimbo123 on July 18, 2020, 02:30:23 pm

Title: Z score question
Post by: Jimbo123 on July 18, 2020, 02:30:23 pm

Hi all,

I am having trouble with this MCQ on z scores. Can somebody help me please as I haven't been taught this at school yet.

Title: Re: Z score question
Post by: 1729 on July 18, 2020, 02:53:29 pm

Quote from: Jimbo123 on July 18, 2020, 02:30:23 pm

Hi all,

I am having trouble with this MCQ on z scores. Can somebody help me please as I haven't been taught this at school yet.

Hey there!
(https://lh3.googleusercontent.com/-sfp5mepOcWY/XxJ_0yASdAI/AAAAAAAABxE/YuqpFEiRom4mGa51OEX-Shmr75Ni_3ptwCK8BGAsYHg/s0/2020-07-17.jpg)
That's my working out, excuse my shitty handwriting. If you need any further clarification don't hesitate to ask!