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  3. use the set of data below to do the following a dr

Use the set of data below to do the following a Draw a scatter diagram...

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Use the set of data below to do the following a Draw a scatter diagram b Find the value of r c Determine whether a correlation exists at 0 05 d Determine whether a correlation exists at x 0 01 Click the icon to view the correlation coefficient r for various values of n and a X 23 34 32 42 50 y 25 36 27 32 38 The formula for the correlation coefficient is n Exy Ex Ey r n Ex Ex n Ey Ey C a Choose the scatter plot that best represents the given data OA Ay 50 40 30 20 10 0 O C Ay 50 40 30 20 10 PIT 0 O 0 8 16 24 32 40 O O 00 O X O 60 A 0 10 20 30 40 50 X 2 Q OB Ay 40 30 20 10 ott D Ay 0 10 2030 40 50 40 O b O 30 20 10 0 O O d o d O Po X 0 10 20 30 40 50 b The value of ris Round to the nearest thousandth as needed N X

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