Q4) A marketing study found that the mean spending in consumer items for 297 respondents was $91 86 with a population standard deviation of $50 9 Develop 95 and 99 confidence intervals for the mean spending amounts this group What conclusion can you draw Use the formula in Ch 6 for Confidence Inte...

Sample size n297 Mean spending 9186 Standard deviation 509 Confidence interval CI cizn For 95 z 19 ...

Q4) A marketing study found that the mean spending in consumer items for 297 respondents was...

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Statistics Data Analysis and Decision Modeling

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Q4) A marketing study found that the mean spending in consumer items for 297 respondents was...

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Statistics Data Analysis and Decision Modeling

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