Question

how to pronounce these and what does these symbols represent.
urgent
fast plz
stats chapter​

Answer 1

Answer:

This should be pronounced as

X bar (or sometimes it's called underbar ) is equal to assumed mean plus summation fidi upon summation fi

where di equals xi - assumed mean.

Explanation:

Here assumed mean can also be called a.

Σ (sigma) this is sigma which is summation symbol.

X bar is used to represent mean.

Hope this helps you.

Thank you.