Answer:
One tailed
To conclude if there is an increase in the mean gas mileage due to new type of tire.
Step-by-step explanation:
We are given the following in the question:
The manufacture wants to compare increase in the mean gas mileage.
Population mean = 32 miles per gallon
Thus, the manufacture could carry a hypothesis test to compare mean.
A one tailed test (z-test or t-test) based on the information can be used to compare the increase in mean.
Thus,
The automotive manufacturer should perform a one tailed hypothesis test to conclude if there is an increase in the mean gas mileage due to new type of tire.
Answer:
Answer 5
Step-by-step explanation:
-6+12-2+1
=6-2+1
=5
Answer:
C=2
Step-by-step explanation:
(26/3 so remainder =2) place of C in alphabet = 3
Answer:
C.
Step-by-step explanation:
The answer to your question would be C. No, the data values in each class could take on any value between the class limits, inclusive.
I hope it helps! Have a great day!
Muffin~
All 3 angles of a triangle add up too 180, so 80+55= 135, 180-135 is 45, so the value of x is 45
