13 -A, FeCl NII.F 12 Tin 011) 10s 82m 1) Graph \"time and distance manually on g

Question

13 -A, FeCl NII.F 12 Tin 011) 10s 82m 1) Graph "time and distance manually on graph paper a) What is the independent & dependent variable b) Is it more of a straight line or curve? c) Is the data show more of a direct d) Determine the slope of the straightest section of the graph, list the units of the slope, and what units represent. e) Determine the type regression & equation for the graph. f) Plug in a value for "x" that is not part of the data & determine the value for "y" using the regression equation & the "a"&"b" values given. De an "" value that show "interpolation and an "x" value that shows "extrapolation" R Using the [Y-J key, see how your graph matches the regression equation. 2) Graph "time& instantaneous speed" and answer the same "a through g" questions as in the (vi) "Time & Distance Graph previous graph. Time& Instantaneous Speed Graph" IO b) 41 Tl me (S

Explanation / Answer

1) Time-distance plot

a) Time is independant veriable and Distance is dependant veriable

b) It is curve

c) Direct relationship

d) slope = (y2 -y1)/(x2-x1) = (64-44)/(30-10) = 2 Other slops are 2.4 and 1.6. Unit = m/s

e) Polynomial regression, Equation Y = b0 + b1X1+ b2X22+....

2) Time - speed relationship

a) Time is independant veriable and speed is dependant veriable

b) It is Linear

c) Direct relationship

d) slope = (y2 -y1)/(x2-x1) = -0.2 Unit = m/s2

e) Polynomial regression, Equation Y = -mX+ C

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