Answer:
The value is
Step-by-step explanation:
From the question we are told that
The sample size is n = 20
The sample mean is
The standard deviation is
Generally the standard error of the mean is mathematically represented as
=>
=>
Number 3 is 1:3 but I don't know what 4 is I can't see the whole problem
Answer:
Rhombus n square
Step-by-step explanation:
Answer:
25%
Step-by-step explanation:
20/16=1.25
With the ".25" in the answer being the percentage increase
4. is correct
5. A is correct
6. B is correct