Two independent samples of sizes 50 and 50 are randomly selected from two populations to test the difference between the population means, 
. The sampling distribution of the sample mean difference 
is:
Definitions:
Injunction
A court order requiring a party to do or cease doing a specific action.
Servient Tenement
A parcel of land subject to a right-of-way or easement.
Right of Way
The legal right to pass through property owned by another person or entity, typically referring to transportation and utility infrastructure.
Estate in Land
Legal rights or interests a person has in a piece of land, which can include ownership or tenancy.
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