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An experiment is run. The mass of an object is recorded over time. Time (min) Mass...

An experiment is run. The mass of an object is recorded over time.

Time (min) Mass (g)
10 34
25 31
34 28
36 18
37 9


Plot the points in the grid below.

Clear All Draw: Dot





Using your calculator, run a linear regression to determine the equation of the line of best fit. Round to two decimal places, use x for the variable.

y=  

Using your equation, estimate the mass of the object at 11 minutes.

grams

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

Dot plot:

Regression equation:y = -0.70x + 43.92

Using your equation, estimate the mass of the object at 11 minutes.

x = 11

y = -0.70*11 + 43.92 = 36.22 grams

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