Use it to determine whether the regression model is appropriate.
Yes
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Check
Okay!
Check
20
Calculate the correlation
.84
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Okay!
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20
Find the Residual.
2.07 minutes
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Okay!
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20
Calculate and interpret the residual for the tortoise with carapace length 298 millimeters.
2.6
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Okay!
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25
make a segmented bar chart
expl = age
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Check
Okay!
Check
lifesaver
Give 25 points!
Oops!
magnet
Take 10 points!
Okay!
shark
Other team loses 10 points!
Okay!
lifesaver
Give 15 points!
Oops!
20
Make a scatterplot
2.2 #5
Oops!
Check
Okay!
Check
trap
No points!
Oops!
star
Double points!
Okay!
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
monster
Reset all scores!
Oops!
gift
Win 10 points!
Okay!
gift
Win 10 points!
Okay!
baam
Lose 20 points!
Oops!
15
Interpret the value s = 15.99 for this model.
The actual percent of the grass area burned is typically about 15.99% away from its predicted percent of the grass area burned using the least-squares regressio
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Check
20
Interpret the slope of the regression line.
decreases by 19.87 cubic feet per day for each additional degree of Fahrenheit for the average monthly temperature
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Okay!
Check
15
Estimate r
close to -1
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20
Calculate a quadratic model for these data using carapace length as the explanatory variable
Y =â0.0106x^2 +6.6181xâ1018.9553
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Okay!
Check
15
Use it to determine whether the regression model is appropriate.
yes
Oops!
Check
Okay!
Check
20
Use technology to calculate the equation of the least-squares regression line relating y = number of larvae to x = number of stumps.
y = â1.29 + 11.89x
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Check
Okay!
Check
20
Use technology to calculate the equation of the least-squares regression line relating y = price to x = screen size.