A Window with an R-Value of 0

question 8

Essay

A window with an R-value of 0.18 receives 300 W/m2 of insolation. If the
interior of the building is at 20°C, what is the minimum outside temperature for which there is a benefit from passive solar heating?

Understand why deviations from the mean are squared in standard deviation calculation.

Identify the methodology for computing standard deviation and its variance.

Distinguish between biased and unbiased standard deviations.

Explore the strengths and limitations of using range as a measure of variability.

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Definitions:

Magical Thinking

The belief that one's thoughts, words, or actions can influence the outcome of events in the physical world in a manner not governed by the laws of physics or logic.

Theory Perseverance

The persistence of one's initial beliefs, even in the face of contradicting evidence or after the evidence for their foundation has been discredited.

Availability Heuristic

The availability heuristic is a mental shortcut that relies on immediate examples that come to mind when evaluating a specific topic, concept, method, or decision, often leading to bias.

False Consensus Effect

The tendency to overestimate the number of other people who share one’s opinions, attitudes, values, and beliefs.