Answer:
and this Z-score is “unusual.”
Step-by-step explanation:
To calculate the Z score use the following formula
Where
μ is the average
is the standard deviation
x is the data to which we will calculate the z-score
In this case
So
A z-score is unusual if or
Finally
and this Z-score is “unusual.”
The plot of the graph is attached and points have been determined
The two among them are (5,-2) ,(15,4).
What is a Line Function ?
A line function is what can be written in the form of
y =mx +c
where m is the slope and c is the intercept on y axis.
The equation given here is y = (3/5)x -5
m = 3/5
c = -5
The plot of the graph is attached and points have been determined
The two among them are (5,-2) ,(15,4)
To know more about Line Function
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