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Can u help me out?
i can attempt to but idk if i'll be right lol
the missing value is -13 i think
thats all that matters at the moment been working on this test for the past 9 hours and have had trouble with 4 problems
i think the correlation is negative but idk for sure
|dw:1354422222993:dw| This is the table kinda looks like
the slope of the line of best fit would be negative too i think
Sorry Mahmit can you type that it is hard to read the drawing of what your saying I can read some of it but not the words themselves
right it is asking for the last number in the table
which would be -13 correct?
Jim what is he saying?
idk why you're going through all this trouble with regression when all points lie on the same line...namely y = -4x + 3 How did I get this? As you increase x, y is decreasing by 4 each time. So the slope is -4/1 = -4 So y = mx + b y = -4x + b -1 = -4(1) + b -1 = -4 + b -1 + 4 = b 3 = b b = 3 So the equation of the line is y = -4x + 3 You can check this by plugging in x = 1 to get y = -4x + 3 y = -4(1) + 3 y = -4 + 3 y = -1 So when x = 1, y is y = -1 Now plug in x = 2 to get y = -4x + 3 y = -4(2) + 3 y = -8 + 3 y = -5 So when x = 2, y is y = -5 Finally, plug in x = 3 to get y = -4x + 3 y = -4(3) + 3 y = -12 + 3 y = -9 So when x = 3, y is y = -9
When x = 4, y is... y = -4x + 3 y = -4(4) + 3 y = -16 + 3 y = -13 So when x = 4, y is y = -13
Thank you jim I have been on this stupid problem for over 4 hours trying to figure out the equation to use for it. Thank you so much