2-Proportion Z-Test (Hypothesis Testing) (TI-83 & TI-84)

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Perform a 2-Proportion Z-Test (hypothesis test) using a TI-83 or TI-84 graphing calculator.

More free statistics resources, including our free intro statistics textbooks are at

Closed captions: created by Frank Marfai at Phoenix College.
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fucking hardest math ive ever learned.

oscaryterry
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Really helpful. Before watching these videos, I was completely oblivious. Keep making these informative videos.

samirakhan
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The TI 84 by default uses the pooled proportion?

maxpercer
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most problems ask for critical value as well. why do most videos not include that function? is there a way to find it with technology and not the chart? thanks so much.

chrisclements
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Proudly proud of you young lady's may God bless you

SnapcrackerzTeam
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Really good video and excellent instruction skills. For someone taking online classes, this serves miracle. Ill be sure to check your other videos. Please keep them coming.

Finalaproach
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I might be buggin but isn’t the p value more than alpha?

Duttywhinequeen
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I'm so confused how you rejected alpha when alpha was 0.05 and the proportion (pooled proportion) was 0.928 which is way larger than alpha.

IceQeen