Mean number of desks produced per week is 42 and population
standard deviation is 4.67. the...
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Mean number of desks produced per week is 42 and populationstandard deviation is 4.67. the company has introduced newproduction methods. A random sample of 12 weeks productionindicates 44 desks were produced each week. has the introduction ofnew production methods increased average number of desks producedeach week at .05 significance level. Estimate the 95% confidenceinterval
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Solution Here we have to use one sample z test for the population mean H0 42 Ha 42 This is an upper tailed test We are given Level of significance 005 Test statistic formula is given
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