Answer:
17.3
Step-by-step explanation:
ACD=50
50-32.7=17.3
x=17.3
Answer:
Sample mean
Symbol: 
Step-by-step explanation:
Given



Solving (a): Is it sample mean or population mean
From the question, we understand that 10 were selected from a total of 30.
And the mean of the selected 10 is 5'2"
The selected 10 is referred to as sample and the mean of the 10 is the sample mean
Solving (b): Symbol to use.
The symbol for sample mean is: 
Answer:
Yes it looks correct but that is just me
Step-by-step explanation:
Solutions
700 - d = 665
To solve the problem lets take out the letter d.
⇒ Now we have 700 - 665
700 - 665 = 35
The letter d is 35
Check your work
700 - 35 = 665
the answer is correct
4x3=12x3=36x3=108x3=324 there is you answer and how i got it hope this helps