Quick reminder sample to sample

1. A sample to sample Z-test comparison of proportions looks like
this:
A sample to population Z-test comparison of proportions looks
like this:
You have been asked by your marketing team leader to determine if a
sample of owners of vacuum brand “X” have statistically different
satisfaction results (80% or 8 out of 10 satisfied) with a sample of owners
who use vacuum brand “Y” (75% or 7.5 out of 10 satisfied).
You have been asked by your marketing team leader to determine if a claim
(i.e., population) that owners of vacuum brand “X” have statistically different
satisfaction results (80% or 8 out of 10 satisfied) with a sample of those same
owners who use vacuum brand “X” (75% or 7.5 out of satisfied).
Sample
2
Sample
Sample
1
Population