Correlation and Causation with Multiple Examples Analyzing Percent

Correlation and Causation with Multiple Examples Analyzing Percent of smokers / Ethnicity or Education Wal-Mart profits / number of customers Age / Money spent at the spent at pharmacy Global warming/ Sea levels Ice cream Sales-Drowning

Is Smoking Related to Level of Education?

Citizens who consider themselves regular smokers by Education Level 45 Prevalence Less than high school 24. 70% GED 41. 90% High school graduate 23. 10% Some college 20. 90% Associate degree 17. 90% Undergraduate degree 9. 1% Postgraduate degree 5. 9% 40 35 % that smoke 30 25 20 15 10 5 Education level 0 You tell me … what we cannot conclude about the level of education and the amount a person smokes

Are Wal-Mart profits related to the number of customers?

Wal-Mart Store Profits • What two events are occurring? • What is on the horizontal axis? • The vertical axis? • Is there correlation? • Is there causation? • Is this a scatter plot?

Scatter plot format Is there correlation? In this scatterplot, each point relates the amount of customers and the profits for a particular day.

III. Do the elderly spend more money at the Pharmacy?

Is it what you expected? Why? What could cause the downturn?

To Predict the graph relating Age and Money spent at Pharmacy first people need money. Predict the shape of the Graph As age goes up what happens to money spent?

Is it what you would expect? Is there correlation? Is there causation? Justify.

IV. Are Global Temperature And Sea Level Related?

What did you think would have been different? Is there a strong correlation? What other factors work on the variables? Is there causation?

Could eating ice cream lead to drowning?

Is there correlation. Is strong correlation enough to say that there is causation? Is there something else that could affect both Ice cream sales and drowning?