Question: The following side by side bar graph appeared in a 2003

The following side by-side bar graph appeared in a 2003 issue of the Monthly Labor Review about women as managers in the work force. The graph summarized the percentage of managers in different occupations who were women, for the years 1972 and 2002.
a. Consider the first two bars in this graph. Identify the response variable and explanatory variable.
b. Express the information from the first two bars in the form of conditional proportions in a contingency table for two categorical variables.
c. Based on part b, does it seem as if there’s an association between these variables? Explain.
d. The entire graph shows two explanatory variables. What are they?

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