Independent sample of 40 non union workers

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A random sample of 50 union workers in the retail sales field was taken and their hourly wages was measured. An independent sample of 40 non union workers was taken and their hourly wages were measured. In both cases the wages did not include any benefits. The population standard deviations of hourly wages of the two groups are known to be $3.40 and $3.85 respectively. The sample results are means of $14.75 and $16.30 respectively. At the 0.10 level of significance, do these data indicate that the mean hourly wages, not including benefits, of non union workers is higher than the union workers.

Reference no: EM132402317

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