Monday, March 9, 2015

Two Proportion z-intervals and z-tests

In class students were introduced to two proportions z-intervals and z-tests.  Comparing two proportions is often more interesting than comparing one proportion (ex. experiments).  The only new assumption you must identify is the independent group assumption as the two groups must be independent or no overlap.

The homework is listed below and the notes are attached.

Notes - Two Proportion z-intervals and z-tests

HW - pgs. 528 (24, 29, 31)
          read pgs. 530-545

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