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OpenStax, Statistics §12.5 Outliers · Example 3 · Statistics · Regression & correlation

Outliers · Example 3

(a) Draw a scatter plot of the data.
(b) Calculate the least-squares line. Write the equation in the form ŷ = a + bx.
(c) Draw the line on a scatter plot.
(d) Find the correlation coefficient. Is it significant?
(e) What is the average CPI for the year 1990?

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OpenStax, Statistics · §12.5 Outliers · Example 3

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