Translate each of the following research questions into appropriate h0 and ha.
(a) censu...
Mathematics, 05.12.2019 19:31 mikurrjurdan
Translate each of the following research questions into appropriate h0 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 average of 2.6 hours to respond to trouble calls from business customers who had purchased service contracts. do this year's data show a different average response time?
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