The Following Table Presents Measurements of the Tensile Strength (In $m$

question 16

Essay

The following table presents measurements of the tensile strength (in kilopascals) of asphalt-rubber concrete beams for three levels of binder content and three levels of rubber content.

i). Can you reject the hypothesis of no interactions?
ii). Can the mean effect of the binder content be interpreted? If so, interpret the $m$ effect.
Use the $\alpha = 0.01$ level of significance.
iii). Can the mean effect of the rubber content be interpreted? If so, interpret the $m$ effect. Use the $\alpha = 0.01$ level of significance

---

Definitions:

Source Traits

Stable and permanent traits that are the basic factors of personality, derived by the method of factor analysis.

Surface Traits

Traits that show a correlation but do not constitute a factor because they are not determined by a single source.

Personality

The combination of characteristics or qualities that form an individual's distinctive character, shaping their patterns of thought, feelings, and behaviors.

Factor

An element contributing to a particular result or situation.