Real Estate Builder
a Real Estate Builder Wishes to Determine

question 19

Essay

Real Estate Builder
A real estate builder wishes to determine how house size is influenced by family income,family size,and education of the head of household.House size is measured in hundreds of square feet,income is measured in thousands of dollars,and education is measured in years.A partial computer output is shown below.
SUMMARY OUTPUT
$$\begin{array}{l}\text { Regression Statistics }\\\begin{array} { l l } \text { Multiple R } & 0.865 \\\text { R Square } & 0.748 \\\text { Adjusted R Square } & 0.726 \\\text { Standard Error } & 5.195 \\\text { Observations } & 50\end{array}\end{array}$$ ANOVA
$$\begin{array} { | l | c c c c | } \hline & \text { Coeff } & \text { St. Error } & \boldsymbol { t }\boldsymbol {Sat } & \boldsymbol { P } \text {-value } \\\hline \text { Intercept } & - 1.6335 & 5.807 \mathrm { 8 } & - 0.281 & 0 .7798 \\\text { Family Incame } & 0.4485 & 0.1137 & 3.9545 & 0 .0003 \\\text { Family Size } & 4.2615 & 0.8062 & 5.286 & 0 .0001 \\\text { Education } & - 0.6517 & 0.4319 & - 1.509 & 0 .1383 \\\hline\end{array}$$
-{Real Estate Builder Narrative} Which of the following values for the level of significance is the smallest for which all explanatory variables are significant individually: $\alpha$ = .01,.05,.10,or .15?

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Definitions:

Primitive Groove

A feature seen in the early embryonic stage of some animals, marking the beginning of the development of the central nervous system.

Organogenesis

Organogenesis is the process during embryonic development in which organs are formed from the three primary germ layers: the ectoderm, mesoderm, and endoderm.

Embryonic Development

The process by which an embryo forms and develops, initiating from a single cell and resulting in a fully formed organism through cellular division, differentiation, and morphogenesis.

Three-Layered Embryo

Also known as the gastrula, it refers to an early stage in embryonic development where the embryo consists of three primary layers: ectoderm, mesoderm, and endoderm.