10 – 11. Margaret, an archeologist, is conducting a test to determine if there is a positive linear relationship between the total height of a dinosaur and its leg length. Her random sample of 15 dinosaur total heights (in feet) and leg lengths (in feet) produced the results shown in the following TI calculator screen. Use the TI calculations in the screen shot to help you answer questions: 10 & 11. LinReg y=a+bx a=28.67845743 b=5.639892354 r=559696513 r=.7481286741 10. What would you predict for a dinosaur's total height (to 2 decimal places) in feet, if the leg length is 5.8 feet? a) 61.39 feet b) 28.68 feet c) 114.99 feet d) 61.33 feet e) 74.81 feet 11. What percent of variation in the dinosaur's total height can be accounted for by the variation in the dinosaur's leg length? a) 28.68% b) 5.64%% c) 55.97% d) 74.81% e) none of these

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ISBN:9781119256830
Author:Amos Gilat
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10 – 11. Margaret, an archeologist, is conducting a test to determine if there is a positive linear relationship between the total
height of a dinosaur and its leg length. Her random sample of 15 dinosaur total heights (in feet) and leg lengths (in feet)
produced the results shown in the following TI calculator screen. Use the TI calculations in the screen shot to help you answer
questions: 10 & 11.
LinReg
y=a+bx
a=28.67845743
b=5.639892354
r=559696513
r=.7481286741
10. What would you predict for a dinosaur's total height (to 2 decimal places) in feet, if the leg length is 5.8 feet?
a) 61.39 feet b) 28.68 feet
c) 114.99 feet
d) 61.33 feet e) 74.81 feet
11. What percent of variation in the dinosaur's total height can be accounted for by the variation in the dinosaur's leg length?
a) 28.68% b) 5.64%%
c) 55.97%
d) 74.81%
e) none of these
Transcribed Image Text:10 – 11. Margaret, an archeologist, is conducting a test to determine if there is a positive linear relationship between the total height of a dinosaur and its leg length. Her random sample of 15 dinosaur total heights (in feet) and leg lengths (in feet) produced the results shown in the following TI calculator screen. Use the TI calculations in the screen shot to help you answer questions: 10 & 11. LinReg y=a+bx a=28.67845743 b=5.639892354 r=559696513 r=.7481286741 10. What would you predict for a dinosaur's total height (to 2 decimal places) in feet, if the leg length is 5.8 feet? a) 61.39 feet b) 28.68 feet c) 114.99 feet d) 61.33 feet e) 74.81 feet 11. What percent of variation in the dinosaur's total height can be accounted for by the variation in the dinosaur's leg length? a) 28.68% b) 5.64%% c) 55.97% d) 74.81% e) none of these
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