Naomi plotted the graph below to show the relationship between the temperature of her city and the number of popsicles she sold daily:
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OpenStudy (anonymous):
OpenStudy (anonymous):
Part A: In your own words, describe the relationship between the temperature of the city and the number of popsicles sold. (2 points)
Part B: Describe how you can make the line of best fit. Write the approximate slope and y-intercept of the line of best fit. Show your work. (3 points)
OpenStudy (anonymous):
@jackmullen55
OpenStudy (anonymous):
as the temp increased so did the number of popsicles sold
OpenStudy (anonymous):
A: The hotter the city the more popsicles sole (do this in your own words love)
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OpenStudy (anonymous):
is that A or B
OpenStudy (anonymous):
A
OpenStudy (anonymous):
B is really only drawing a line through the center of the points e.g.|dw:1432740017756:dw|
OpenStudy (anonymous):
to do B u pick two points that u think show how most of the points are going and then do y2-y1/x2-x1 to get the slope that u need to plot and @jackmullen55 can explain it better
OpenStudy (anonymous):
could u guys expanie it better
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OpenStudy (anonymous):
bu tif u chose (90,20) and (40,10) you would do \[\frac{ 90-40 }{ 40-10 }\] and u get 50/30 which reduces to 5/3 and thats the slope that u would plot to find the line of best fit
OpenStudy (anonymous):
But if**
OpenStudy (anonymous):
@jackmullen55 is that right?
OpenStudy (anonymous):
what do i say??
OpenStudy (anonymous):
Yeah it looks right
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OpenStudy (anonymous):
one sec
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
hold on but its (90,20) not (90,40)
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
sry one sec
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