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Inferential Statistics

2 Proportions Test

The 2‑proportions test is a sta­tis­ti­cal hypoth­e­sis test that we use to com­pare the pro­por­tions, or per­cent­ages, of obser­va­tions falling into some cat­e­go­ry of inter­est from two inde­pen­dent pop­u­la­tions or groups. Learn the assump­tions, require­ments, and steps for per­form­ing the 2‑proportions test.

Course Videos

1

Inferential Statistics Overview and Sampling

05:25

 2

Hypothesis Testing Overview

07:49Members only

 3

Normality

07:36Members only

 4

Central Limit Theorem

07:25Members only

 5

The Z-Score

07:40Members only

 6

Creating Run Charts

04:56Members only

 7

1-Sample t-Test

06:34Members only

 8

2 Variances Test

08:58Members only

 9

2 Sample t-Test

07:53Members only

 10

Paired t-Test

06:30Members only

 11

1-Proportion Test

04:49Members only

Current Video

2 Proportions Test

06:46Members only

13

Next VideoChi Square Test

11:09Members only

 14

1 Sample Sign Test

03:59Members only

 15

Mann-Whitney Test

04:48Members only

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Next Video Chi Square Test 

The Chi-Square Test is a sta­tis­ti­cal hypoth­e­sis test we use to deter­mine whether the lev­els of one cat­e­gor­i­cal vari­able are relat­ed to the lev­els of anoth­er cat­e­gor­i­cal vari­able. Learn the assump­tions and steps to per­form­ing this test.