Answer:
rate of 6
Step-by-step explanation:
Answer:
(1)
(2)
Step-by-step explanation:
Solving (1):
(a): Mean
This is calculated as:
So, we have:
Solving (b): The variance
This is calculated as:
Where:
and
So, we have:
So, we have:
Solving (c): The standard deviation.
This is calculated as:
Solving (2):
(a): Mean
This is calculated as:
So, we have:
Solving (b): The variance
This is calculated as:
Where:
and
So, we have:
So, we have:
Solving (c): The standard deviation.
This is calculated as:
Answer:
X= -19
Step-by-step explanation:
hope this helps
Answer:B
Step-by-step explanation:
-1 would be be the slope