It Is Thought That There Are a Variety of Factors

question 99

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 1% 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.

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Definitions:

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