From their 50 data points washington dc not in the study

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From their 50 data points (Washington DC not in the study), the researchers calculated a correlation of 0.988. Based on this study, can we say that individuals who spend a lot on groceries also spend a lot at restaurants? What possible lurking variable is there in this study?

The population of a state

Type of restaurant - fast food or more expensive

The amount of money spent on food varies from person to person

Reference no: EM13631746

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