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Contingency Tables. Contingency tables – or crosstabs. display data so we can see if one variable seems to be having an effect on a second variable (does the independent variable effect the dependent variable?) independent variable: displayed across the top (column)
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Contingency tables – or crosstabs • display data so we can see if one variable seems to be having an effect on a second variable (does the independent variable effect the dependent variable?) • independent variable: displayed across the top (column) • dependent variable: down the sides (rows)
How are the smoking habits of students related to their parents’ smoking? Here are data from a survey of students in eight Arizona high schools:
How are the smoking habits of students related to their parents’ smoking? Here are data from a survey of students in eight Arizona high schools:
How are the smoking habits of students related to their parents’ smoking? Here are data from a survey of students in eight Arizona high schools:
How are the smoking habits of students related to their parents’ smoking? Here are data from a survey of students in eight Arizona high schools:
How are the smoking habits of students related to their parents’ smoking? Here are data from a survey of students in eight Arizona high schools: • Compared to the entire sample in which 18.7% of the students smoke: • -The value was higher with 22.5% of the students smoked when both parents smoke • - On the other hand, 13.9 % of students smoked when neither parent smoked, this value is lower compared to the entire population.