AEB
Practice Midterm 2_key

# After regressing co2 x on temperature anomaly y the

• Test Prep
• 9

32) After regressing CO2 (x) on Temperature Anomaly (y), the following residual plot seems to (A) confirm or (B) contradict our assumptions about ɛ . 33) Suppose that the sum of squared differences for x and y is 50 ሺܵܵ ௫௬ ൌ 50ሻ and the sum of squared differences for x is 25 ሺܵܵ ௫௫ ൌ 25ሻ . What is the slope of our regression line?
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