Answer:
Step-by-step explanation:
We can use the regression line to model the linear relationship between x and y ... x and y because the correlation coefficient is not significantly different from zero. ... If r is significant and the scatter plot shows a linear trend, the line can be used to ... If r < negative critical value or r > positive critical value, then r is significant.
Answer:


Step-by-step explanation:
Given



Required
Find a and b
In
,
and 
This gives:


Divide by 6

In
.
and 
This gives:


Substitute 2 for a


Collect Like Terms


Divide by 2

Answer:
A. 13 boxes
B. $18.00
C. $3.60
D. 0.30
Step-by-step explanation:
6 boxes = 21.60
that is 3.60 per box
A. 50.00/3.60 = 13.88 so he can purchase 13 boxes
B. 1 box is 12 ounces
60/12 = 5 boxes needed for 60 ounces. 5 x 3.60 = 18
C. One box is 3.60
D. 3.60/12 = 0.30 per ounce
Answer:
calculator
Step-by-step explanation:
Answer:
D
Step-by-step explanation: