6.74 Hypotheses. Translate each of the following research questions into appropr

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6.74 Hypotheses. Translate each of the following research questions into appropriate Ho and Ha (a) Census Bureau data show that the mean household income in the area served by a shopping mall is $62,500 per year. A market research firm questions shoppers at the mall to find out whether the mean household income of mall shoppers is higher than that of the general population. (b) Last year, your company's service technicians took an ave business customers who had purchased service contracts. Do this time? rage of 2.6 hours to respond to trouble calls from year's data show a different average response

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6.74 Hypotheses. Translate each of the following research questions into appropriate Ho and Ha (a) Census Bureau data show that the mean household income in the area served by a shopping mall is $62,500 per year. A market research firm questions shoppers at the mall to find out whether the mean household income of mall shoppers is higher than that of the general population. (b) Last year, your company's service technicians took an ave business customers who had purchased service contracts. Do this time? rage of 2.6 hours to respond to trouble calls from year's data show a different average response

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