The owner of a local health food store recently started a new ad campaign to attract more business and wants to test whether average daily sales have…
The owner of a local health food store recently started a new ad campaign to attract more business and wants to test whether average daily sales have increased. Historically average daily sales were approximately $2,700. After the ad campaign, the owner took a random sample of forty-five days and found that daily average sales had increased to $2,984. What is store owner’s null hypothesis?
(please provide explanations)
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