Question

In the following case, determine and explain if we can interpret ?? as the causal effect...

In the following case, determine and explain if we can interpret ?? as the causal effect of the relevant ? variable on ?.

A random sample of students at a University are surveyed and data is collected on their high-school score and whether they have enrolled in any mathematics course during their time at the University. The following model is estimated

???ℎ??????? = ?0 + ?1????? + ?2??? + ?

Here, the variable ???ℎ??????? captures whether the student enrolled in any mathematics course in their time at the University or not, ????? is their high-school score and ??? is the student’s age in years.

Homework Answers

Answer #1

???ℎ??????? = ?0 + ?1????? + ?2??? + ?

variable ???ℎ??????? captures whether the student enrolled in any mathematics course in their time at the University or not, ????? is their high-school score and ??? is the student’s age in years.

?? represents that when score changes by 1 unit, the average predicted value of mathematics changes by ?? units.

if ?? is positive then the relation between x and y variable is direct

if ?? is negative then the relation between x and y variable is indirect

if ??=0 then x variable has no effect on y variable

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