Data Collectionmedium
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A frozen dessert company implements a major marketing campaign in February. Ice cream sales are measured monthly for 24 months (12 months before and 12 months after campaign launch). Sales increase 55% in March and April compared to the same months in the prior year. The company concludes: 'Our marketing campaign was highly effective—it increased sales by 55%!'
Which alternative explanation is most plausible for this observed increase?
A frozen dessert company implements a major marketing campaign in February. Ice cream sales are measured monthly for 24 months (12 months before and 12 months after campaign launch). Sales increase 55% in March and April compared to the same months in the prior year. The company concludes: 'Our marketing campaign was highly effective—it increased sales by 55%!'
Which alternative explanation is most plausible for this observed increase?