Answer:
-6x+2y=-18 =
-3x-2y=54 =
Step-by-step explanation:
I hope I understood this correctly.
Answer:
r is always between 0 and 1
Step-by-step explanation:
The untrue statement is ...
r is always between 0 and 1
One way you can tell is that it is inconsistent with the true statement |r| ≤ 1.
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<em>Comment on correlation coefficient</em>
The correlation coefficient (r) is the ratio of the covariance of x and y to the product of the standard deviations of x and y. This formula is symmetrical in x and y, so it doesn't matter which data set you call x and which one you call y. Similarly, the units cancel, so r is a unitless number, and the units of x and y don't matter, either.
Answer:
Step-by-step explanation:
Answer:
C. $95,000
Step-by-step explanation:
90.05 times 1055 is $95,000.75 the closest number to that is $95,000.