The Cranston Hardware Company is interested in estimating the difference in the mean purchase for men customers versus women customers.It wishes to estimate this difference using a 95 percent confidence level.Assume that the variances are equal and the populations normally distributed.The following data represent independent samples from each population: 
Based on these data,the company can conclude that there is a statistical difference between men and women with regard to mean spending at the hardware store with men tending to spend more on average than women.
Definitions:
Hemodialysis
Hemodialysis is a medical treatment that removes waste and excess fluids from the blood when the kidneys are not functioning properly, using a dialysis machine.
Family Meeting
A gathering involving family members and sometimes healthcare providers to discuss and make decisions regarding a patient's care plan or wellbeing.
Respiratory Arrest
The sudden cessation of breathing.
Do Not Resuscitate
A medical order indicating that no measures should be taken to revive a patient in cardiac or respiratory arrest.
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