Answer:
8
Step-by-step explanation:
x=average
(x+x+x+x)/4=average
to increase x by 2 you add 2
x+2=average
(x+2+x+2+x+2+x+2)=4=(4x+8)/4=x+2
you'd have to increase the sum by 8 to make the numbers' averages' go up by 2
Answer: The correct answer is the 3rd choice.
5h after sunrise until 15h after sunrise.
Step-by-step explanation: looking at the data, the line intercepts and stays above 0 from 5 to 15. Also I took the test.
Answer:
The degrees of freedom associated with this problem are 16.
Step-by-step explanation:
The degrees of freedom associated with a problem, independent of the confidence level, is the sample size subtracted by 1.
In this problem, we have that:
She takes a random sample of 17 trucks, so the sample size is 17.
This means that the degrees of freedom associated with this problem are 16.
Answer:
I think it's A
Step-by-step explanation:
Answer:78.75
Step-by-step explanation:
15/1=78.75/5.25