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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
You are interested in determining the number of hours that college students spend studying each week.You identify the following variables:
Y = number of hours spent studying each week
X1= 1 if the student is a freshman,0 otherwise
X2 = 1 if the student is a sophomore,0 otherwise
X3 = 1 if the student is a junior,0 otherwise
X4 = 1 if the student is a senior,0 otherwise
X5 = 1 if the student is a business major,0 otherwise
X6 = 1 if the student is an arts and sciences major,0 otherwise
X7 = 1 if the student is an engineering major,0 otherwise
-Which of the following regression models would work for the indicators provided?
Spearman Rank
A nonparametric measure of rank correlation that assesses how well the relationship between two variables can be described using a monotonic function.
Ordinal Variables
Variables that represent categories with a natural order or ranking among them, though the intervals between the rankings may not be equal.
Interval Variables
Variables that have measurable distances between values but no true zero point, allowing for the calculation of meaningful differences.
Relationship
A connection or association between two or more variables in a dataset or study.
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