Assumptions for statistical analysis of random errors are
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The relationship is linear thus :
y = β₀ + β₁x + e
Where :
y = dependent variable
x = independent variable
β₀ = y intercept
β₁ = gradient / slope
e = random error
Assumptions for the random error
1. Expectation of e = E (e) = 0
2. Variance of e = Var (e) = α²
3. e is normally distributed.
4. e₂, e₃.... en are independent.
y = β₀ + β₁x + e
Where :
y = dependent variable
x = independent variable
β₀ = y intercept
β₁ = gradient / slope
e = random error
Assumptions for the random error
1. Expectation of e = E (e) = 0
2. Variance of e = Var (e) = α²
3. e is normally distributed.
4. e₂, e₃.... en are independent.
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