Flying Start Machine 200 m- Race World Record Times The following data chart shows the world record times for the 200 m race for flying start machines ( a kind of bicycle) Year Record Time (sec) 1974 10.4 1975 10.0 1976 9.4 1977 9.1 1979 8.8 1985 7.2 1986 6.8 1992 6.5

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Flying Start Machine 200 m- Race World Record Times
The following data chart shows the world record times for the 200 m race for
flying start machines ( a kind of bicycle)
Record Time (sec)
10.4
Year
1974
10.0
1975
1976
9.4
9.1
1979
1985
1986
8.8
7.2
6.8
6.5
4. How would you describe the correlation between Year and World Record Times?
5. What is the equation of the line of best fit?
y%3D-0.2255172414 x t455.1618966
6. What is the slope of the line of best fit?
7. Why is the slope a negative slope?
8. Using the equation of the line, calculate the actual world record time set in 1988.
Transcribed Image Text:Flying Start Machine 200 m- Race World Record Times The following data chart shows the world record times for the 200 m race for flying start machines ( a kind of bicycle) Record Time (sec) 10.4 Year 1974 10.0 1975 1976 9.4 9.1 1979 1985 1986 8.8 7.2 6.8 6.5 4. How would you describe the correlation between Year and World Record Times? 5. What is the equation of the line of best fit? y%3D-0.2255172414 x t455.1618966 6. What is the slope of the line of best fit? 7. Why is the slope a negative slope? 8. Using the equation of the line, calculate the actual world record time set in 1988.
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