It Is Thought That There Are a Variety of Factors

question 44

Multiple Choice

It is thought that there are a variety of factors that affect a teacher's salary. Using the following
Printout and sample data, determine whether the holding of a PhD degree is a significant variable
When tested at the 10% level of significance.
X1 is years of teaching experience, x2 is principal's rating and x3 is the presence of a PhD or not.

• A) Since the p-value is less than the level of significance, the null hypothesis is rejected, and so the holding of a PhD should be included in the analysis.
• B) Since the p-value is less than the level of significance, the null hypothesis is accepted, and so the PhD should not be included in the analysis.
• C) Since the p-value is more than the level of significance, the null hypothesis is accepted, and so the PhD should not be included in the analysis.
• D) Since the p-value is more than the level of significance, the null hypothesis is rejected, and so the PhD should be included in the analysis.

---

Definitions:

Methylene Group

A bivalent functional group (-CH2-) consisting of a carbon atom bonded to two hydrogen atoms.

LiAlH[OC(CH3)2]3

A chemical compound used as a reducing agent in organic synthesis, often referred to as Lithium Aluminium Hydride.

Major Organic Product

The predominant compound formed in a reaction involving organic molecules, typically distinguished by its quantity.

Following Reaction

A phrase typically used to introduce the sequence or outcome of a chemical process or reaction of interest.