Compute a new variable called Dfry by subtracting the price of a small fry before the wage increase (Pfry1) from the price of a small fry after the wage increase (Pfry2).

Use the data in file Min Wage. sav for this exercise.

1. Compute a new variable called Dfry by subtracting the price of a small fry before the wage increase (Pfry1) from the price of a small fry after the wage increase (Pfry2).

2. Select just the restaurants in Pennsylvania. Determine whether the variable Dfry differs significantly from zero.

3. Repeat the analysis performed in problem 2 for the restaurants in New Jersey. What is the outcome?

4. Perform a suitable test to determine whether the mean value of Dfry differs in New Jersey and Pennsylvania. How do the results of the test affect interpretation of the effect of the minimum wage increase in New Jersey on the price of fries in fast food restaurants?

Computer Science

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Compute a new variable called Dfry by subtracting the price of a small fry before the wage increase (Pfry1) from the price of a small fry after the wage increase (Pfry2).

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