Team 1
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Team 2
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Teams
Name
Score
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eraser
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magnet
Take 10 points!
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fairy
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5
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25
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thief
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seesaw
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seesaw
Swap points!
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gift
Win 15 points!
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lifesaver
Give 20 points!
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15
×
What is the line of best fit, according to least squares regression?
a = -.975, b = 146.747
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15
×
What is the population standard deviation of the mathematics test?
6.946221 == 6.95
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15
×
Which r value best describes this data set? Why? r = 1, r = -0.4, r = 0.7
r = 1
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15
×
What is the sum of the shopping time?
Summation y = 22.63
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20
×
What is the line of best fit, according to least squares regression?
a = -.273, b = 5.51
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15
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Describe the relationship between the Mathematics and Art marks.
strong, negative, linear correlation: rP= -0.9296 == -0.930
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20
×
What is the population standard deviation of the water remaining in liters?
2.148 == 2.15 L
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15
×
How would you construct a scatter diagram for the data, by eye?
Mean point = (74.5, 74.1)
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20
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What is the mean point for the given data?
mean point = (13.5, 14.6)
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15
×
Calculate Spearman's correlation coefficient for the data set.
rS = 1
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eraser
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shark
Other team loses 15 points!
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rocket
Go to first place!
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thief
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25
20
×
What is the line of best fit, according to least squares regression?
a = 0.0322, b = 0.906
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banana
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fairy
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5
10
15
20
25
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fairy
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20
25
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banana
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20
×
Calculate Pearson's product-moment correlation for the data.
rP = 0.9998
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