QUESTION 18 What is the likely reason that ice cream sales and murder rates have a high correlation with each other? Confounding variable Confirmation bias Issues of Validity Mediating variable 1 points
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This is a classic example of a spurious correlation, where two variables appear to be related but are actually both influenced by a third, hidden variable. Show more…
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Ice cream sales and crime are positively correlated because crime tends to increase in the summer. If you fit a regression model with number of crimes committed as the response and ice cream sales and temperature as predictors would you expect ice cream sales to be a significant variable? Explain.
Sri K.
There is a correlation between ice cream sales and crime rates. What can we conclude from this? Ice cream leads to more criminality Committing a crime makes an individual want ice cream Criminality is a sufficient, but not necessary, condition for ice cream sales There is likely a spurious relationship between ice cream sales and crime rate
We are all learning to identify independent and dependent variables and working hypotheses, and to statistically measure if a change in the independent variable causes a change in the dependent variable. Given this information, consider this: a study once found that, for any given year, there was a positive correlation between ice cream consumption and the crime rate (during the summer months). If ice cream consumption was high for a given year, the crime rate was also high; if consumption was low, the crime rate was also low. What can explain this phenomenon?
Akash M.
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