Answer:
The second one and the fourth one :)
"Variability (also called spread or dispersion) refers to how spread out a set of data is. Variability gives you a way to describe how much data sets vary and allows you to use statistics to compare your data to other sets of data. The four main ways to describe variability in a data set are:
<span>Range Interquartile range Variance Standard deviation.
it is hard to explain but i hope this helped:/:)</span>
Answer:
B
Step-by-step explanation:
the lines cross at (-2,1)
Answer:
There are no sets S, T for which
holds
Step-by-step explanation:
Let the set A be
By de De Morgan's Law
But
We conclude that
which is a contradiction because no set is equal to its complement.