Number of Fish Tanks
The following data give the number of fish tanks owned for a population of 4 families.

-{Number of Fish Tanks Narrative} List all possible samples of 2 families that can be selected without replacement from this population, and compute the sample mean for each sample.

Question

Number of Fish Tanks
The following data give the number of fish tanks owned for a population of 4 families.
 
-{Number of Fish Tanks Narrative} List all possible samples of 2 families that can be selected without replacement from this population, and compute the sample mean  for each sample.

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The Answer of Number of Fish Tanks
The following data give the number of fish tanks owned for a population of 4 families.
 
-{Number of Fish Tanks Narrative} List all possible samples of 2 families that can be selected without replacement from this population, and compute the sample mean  for each sample.