Advertising strategy significantly increased sales

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Formulate a hypothesis test to determine if the mean spending in these categories has statistically increased. After the new advertising campaign was launched, a marketing study found that the mean spending for 300 respondents in the 18-34 age groups was $75.86, with a standard deviation of $50.90. Is there sufficient evidence to conclude that the advertising strategy significantly increased sales in this age group?

Reference no: EM131061384

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