Answer:
Question 1 (5 points)
Correlation implies causation.
False
Question 2 (5 points)
A correlation between two variables means...
that a change in one variable is matched by a change in the other variable
Question 3 (5 points)
A negative correlation between two variables means...
when one variable goes up, the other goes down
Question 4 (5 points)
A strong linear correlation means...
the graph of data points stay close to a line
Question 5 (5 points)
Standard deviation is a measure of...
the spread of data.
Question 6 (5 points)
The formula for standard deviation uses which average?
mean
Question 7 (5 points)
According the the fundamental counting principal for multiplication, if event A has m possible outcomes and event B has n possible, then even A followed by event B has....
m x n outcomes
Question 8 (5 points)
What is the value of 4! ("four factorial")
24
Question 9 (5 points)
If the probability of passing an exam is 80%, what is the probability of not passing it?
20%
Question 10 (5 points)
Given that when flipping a coin, there is 1/2 chance of getting a heads:
What is the probability of flipping a coin and getting heads twice in a row?
1/4
Step-by-step explanation:
These are just facts you should know.
