Author Question: An economist is investigating the impact of today's economy on workers in the manufacturing industry ... (Read 49 times)

codyclark · **on:** Feb 14, 2020

An economist is investigating the impact of today's economy on workers in the manufacturing industry who have been laid off. A sample of 50 workers was randomly selected from all workers in manufacturing that have been laid off in the past year. The following variables were measured for each laid off worker: length of time jobless (number of weeks) and tax status (single, married, or married/head of household). The data for the 50 workers were entered into the computer and analyzed to determine if the mean number of weeks jobless differed for the three tax status groups. The Tukey multiple comparison printout is shown below:

Tukey HSD All-Pairwise Comparisons Test of JOBLESS by STATUS

STATUS Mean Tukey Groups

Married 50.375 A

Single 48.000 A

Mar/Head 33.789 B

Alpha 0.1 Critical Q Value 2.975

Give the population mean(s) which are in the statistically smallest group.
◦ μ_Single
◦ μ_Married
◦ μ_Married & μ_Single
◦ μ_Mar/Head

trog · **Reply #1 on:** Feb 14, 2020

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