Team 1
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Team 2
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Teams
Name
Score
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×
baam
Lose 25 points!
Oops!
×
seesaw
Swap points!
Okay!
×
rocket
Go to first place!
Okay!
×
thief
Give points!
5
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25
20
×
Use technology to calculate the equation of the least-squares regression line relating y = price to x = screen size.
Y = â575.23 + 25.41x
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Check
15
×
Use it to determine whether the regression model is appropriate.
yes
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25
×
make a segmented bar chart
expl = age
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Okay!
Check
15
×
Use it to determine whether the regression model is appropriate.
Yes
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Okay!
Check
×
baam
Lose 25 points!
Oops!
×
star
Double points!
Okay!
×
gift
Win 10 points!
Okay!
×
thief
Give points!
5
10
15
20
25
20
×
Predict the interval of time between eruptions if the previous eruption lasted 4 minutes
86.51 minutes
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Check
×
baam
Lose 10 points!
Oops!
×
rocket
Go to first place!
Okay!
×
rocket
Go to first place!
Okay!
×
lifesaver
Give 25 points!
Oops!
20
×
Make a scatterplot
2.2 #5
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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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Check
15
×
Use it to determine whether the regression model is appropriate.
No
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Check
20
×
Find the equation of the least-squares regression line for predicting the number of wins from number of goals scored.
Y=â0.15+0.29x
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20
×
Calculate and interpret the residual for the tortoise with carapace length 298 millimeters.
2.6
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15
×
Estimate r
Close to 1
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20
×
Calculate the correlation
.84
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15
×
Interpret the value r^2 = 0.646 for this model.
64.6% of the variability in the percent of the grass area burned is accounted for by the least-squares regression line with x = wildebeest abundance.
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