Finding Expected Values During a Chi-Square Test of Independence, Example 178.5

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In this video, we demonstrate how to calculate the expected values for a two-way contingency table under the assumption that the two categories are independent of each other. We are learning how to find these expectations in preparation of performing a chi-square test of independence.
  1. Dane McGuckian (STATSprofessor)
  2. expected values for a two-way table
  3. Chi-Square Test of Independence
  4. expected value of chi-square statistic
  5. Testing Categorical Probabilities
  6. Two-way table chi-square Test of Independence
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Комментарии
Автор

Thank you for simply writing out the formula to calculate the expected values. Can't believe how many people skip steps like this.

samdavison-wall
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This is so helpful! I have been looking for how to calculate the expected value and your video just hit the nail on the head. Thanks so much for this 👏🏾

Onyinye_
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this came in very clutch during my exam thank you very much. I love you

pablogomez-palacio
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Thank you so much. I have a question please : Expected values are same for an entire row, right?
Also, does this expected value formula apply to all Median tests?

oyinkansolaibrahim
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Great video! Is there a calculator shortcut ?

rmb
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Can anyone explain from a conceptual standpoint where the calculation for the expected values comes from?

a_bex.