Herrera Black
07/09/2023 · Primary School
d) Calculate the least squares line. Put the equation in the form of: \( \hat{y}=a+b x \). e) Find the correlation coefficient. Is the decrease in times significant? f) Find the estimated gold medal time for 1932 . Find the estimated time for 1984 . g) Why are the answers from part f different from the chart values? h) Does it appear that a line is the best way to fit the data? Why or why not?
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d) Calculate the least squares line: \( \hat{y} = a + bx \).
e) Find the correlation coefficient.
f) Estimate gold medal times for 1932 and 1984 using the least squares line.
g) Compare the estimated times with the chart values.
h) Analyze the fit of the line to the data to determine if it is the best representation.
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