Hawk thinks his heartrate will increase as he increases his skateboarding speed To see if this relationship exists, he records six different speeds and models it with a scatterplot and regression output Regression Statistics Multiple R 97 28153 R Square 94 63696 Adjusted R Square 93 29620 Standard Error 4 806846736 Observations 6 df SS MS F Regression 1 1,630 910231 1,630 910231 70 58453 Residual 4 92 42310217 23 10577554 Total 5 1,723 333333 Coefficients Standard Error t Stat p Value Intercept 1 301246992 10 66036651 0 122064001 0 908735 Speed 7 315685846 0 870763656 8 401459797 0 001098 Part A Write the equation of the regression line using the regression output (2 points) Part B What do the slope and intercept parameters mean using the context of the problem (4 points) Part C Compute the margin of error that Hawk should use if he wants to provide a 99 confidence interval for the slope Assume that conditions for inference are satisfied (4 points)

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Question: Hawk thinks his heartrate will increase as he increases his skateboarding speed. To see if this relationship exists, he records six different speeds and models

Hawk thinks his heartrate will increase as he increases his skateboarding speed. To see if this relationship exists, he records six different speeds and models it with a scatterplot and regression output.

Regression Statistics
Multiple R	97.28153%
R Square	94.63696%
Adjusted R Square	93.29620%
Standard Error	4.806846736
Observations	6

	df	SS	MS	F
Regression	1	1,630.910231	1,630.910231	70.58453
Residual	4	92.42310217	23.10577554
Total	5	1,723.333333

	Coefficients	Standard Error	t Stat	p-Value
Intercept	1.301246992	10.66036651	0.122064001	0.908735
Speed	7.315685846	0.870763656	8.401459797	0.001098

Part A: Write the equation of the regression line using the regression output. (2 points) Part B: What do the slope and intercept parameters mean using the context of the problem? (4 points) Part C: Compute the margin of error that Hawk should use if he wants to provide a 99% confidence interval for the slope. Assume that conditions for inference are satisfied. (4 points)

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