[See Solution] Average hourly earnings of sample of 50 men is $14 with the standard deviation of $4 and hourly earnings of sample of 40 women is $12 with the standard
Question:
Average hourly earnings of sample of 50 men is $14 with the standard deviation of $4 and hourly earnings of sample of 40 women is $12 with the standard deviation of $3. Test null hypothesis at 5% significance level that hourly earnings of men and women are equal. Z=1.96.
Deliverable: Word Document 
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