N=64.
32+64=100
64/8=8
sqrt (64+225)= sqrt (289) = positive and negative 17
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
You can do anything between .50 and .75. For example .55. .55=55% .55 also equals 11/20 as a fraction
Answer:

Step-by-step explanation:

