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ok so look at the y values you go from +2, +5, +3, +7, etc...what type of pattern do you think it is?
i mean you go from 112 to 114 by adding 2 etc
im not sure i dont know how to do this problem
ok well i would define it as a piecewise function actually hold on.........hmmmm let me think about this
were looking for a regression equation such as exponential linear or logarithmic
yeah i know...i was just seeing if you could possibly use two different ones and define them only for when x is odd and another for when x is even...
yeah i thought it was exponential and linear but i'm not sure..
its definitely not log
did you plug it in your calculator?
yeah buts its not regression
why not ?
idk..its not perfect linear...
so now what
i would just say linear because there is no way to fit it to log or exp
how do you put this in the calculator i don't know how to
what calculator do you have?
ok so turn it on go to stat go to edit you'll see like L1, L2, etc in L1 put in your x values and in L2 put the y values then quit do 2nd, Y= go to 1: go On then go zoom, go zoomfit
make sure in Y= that the plot1 is highlighted
ok now what
just go graph
its just points plotted..
haha i know now you can fit the graph
ok so you want to go stat go to calc go to linreg(ax+b) then put L1, L2 after in the main screen
what do u mean main screen
the main screen is where you do all the math...like would do cos(30), 5+1, sqrt(9)...
when you click lin reg(ax+b) it will take you to the main screen
well after i hit lin reg then what
press 2nd 1 , 2nd 2 enter you get a linear regression y = 4.2x + 106.6
no i got 4x+ 107.4
did you enter it right? hmm........ press 2nd 0 scroll to actually no...that should not be correct
its close enough :)
okk what do i do now..
justify its linear...haha what stat is this for?
noo but shouldnt there be a line going through those points ?
yeah but look at the graph... do you know the concept of a floor? its like the greatest integer function...and then add like one to it...that should make it approximate. idk unless it has to be regression....then you could try exponential shifted way up...but its the 4th term that makes me question that possibility...
do i plug the linear regression into y=?
yeah the equation is supposed to be an approximate for the data
but both the linear regression and exponential equations lie in the same place?
when i plug the linear regression equation into the y= i end up with a line going across the graph and then when i plug in the exponential regression into the y= the line lays in the same place as the linear regression equation line
is your data correct? idk but i gotta go so when is this due? monday? i can try to help you tomorrow or something...
yea i put 113 instead of 112
107.1678132(1.035666278^x) is tht the expreg?