Evaluate the Sum $$\sum _ { i = 5 } ^ { 8 } ( i + 3 ) ^ { - 1 }$$

question 228

Multiple Choice

Evaluate the sum. Round to two decimal places, if necessary.
- $$\sum _ { i = 5 } ^ { 8 } ( i + 3 ) ^ { - 1 }$$

• A) 0.75
• B) 38
• C) 0.43
• D) -0.7

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Definitions:

Standard Error

A statistical measure that quantifies the variability or dispersion of a sample statistic from the population parameter it estimates.

Adjusted R Square

A statistical measure that indicates the proportion of variance in the dependent variable that is predictable from the independent variables, adjusted for the number of predictors in the model.

Parsimony Principle

The Parsimony Principle, often used in scientific research, is the idea that the simplest explanation is usually correct, encouraging minimal assumptions.

Independent Variables

Variables in a statistical model that are manipulated or categorised to determine their effect on dependent variables.