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R= Pick: Moderate, Strong, or Weak CHALLENGE ACTIVITY 3.3.1: Interpreting R. U Jump to level 1 An online retailer is trying to determine how positive

R=

Pick: Moderate, Strong, or Weak

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CHALLENGE ACTIVITY 3.3.1: Interpreting R. U Jump to level 1 An online retailer is trying to determine how positive reviews of items affect sales The plot below shows the relationship between the number of positive reviews and the number of items sold. The linear regression output is shown below. 1500 o . . ' .0 o .2. ' . O . O I E O I g . . . . . ~ g 1000 Regressron Statistics g Multiple R 0.968133 \"E R Square 0.937282 g 500 Adjusted R Square 0.935042 2 Standard Error 30.00616 Observations 30 0110 120 130 140 Number of positive reviews R : EX: 0.654321 2 What is the correlation between number of positive reviews and number of items sold? correlation Feedback

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