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19. FILE Hourly_Wage An economist is interested in the variability of hourly wages at a production plant. She collects data on 50 hourly wage earners.
19. FILE Hourly_Wage An economist is interested in the variability of hourly wages at a production plant. She collects data on 50 hourly wage earners. a. Set up the competing hypotheses to test whether the variance of hourly wages exceeds 35 ($2). b. At the 5% significance level, does the variance of hourly wages exceed 35 ($2)? Explain
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