Answer:
5
Step-by-step explanation:
Answer:
not too late my friend
Step-by-step explanation:
Answer:
339416
Step-by-step explanation:
848,540 * 40/100 = 339416
Answer:
2.0
Step-by-step explanation:
x = age
y = average systolic blood pressure
x₁ = 40 years old, y₁ = 110 systolic blood pressure
x₂ = 50 years old, y₂ = 130 systolic blood pressure

∴ Slope of the regression line is 2.0