13. A hardware retailer found that, during the months of May, June and July, sales of patio furniture increase when the number of sunny days increases. This is an example of a cause-and-effect...

Mathematics of Data Management, Analyzing One and Two Variable Data

Extracted text: 13. A hardware retailer found that, during the months of May, June and July, sales of patio furniture increase when the number of sunny days increases. This is an example of a cause-and-effect relationship a reverse cause-and-effect relationship a presumed cause-and-effect relationship an accidental cause-and-effect relationship а. b. с. d.