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  • Perplex

    Inference & Hypotheses

    19

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    10

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    Lessons & Notes

    Hypothesis Testing and p-values

    Exploring a simplified coin flip example to lay the foundation of null and alternative hypotheses, p-values and significance levels.

    Start Lesson

    χ² tests

    Testing whether observations fit predictions, and whether events are independent, using a χ² distribution.

    Start Lesson

    Student's t-test

    Using the t-distribution to compare a sample mean to a population mean with unknown variance.

    Start Lesson

    Speed Run Quizzes

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    Practice Tests

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    Hypothesis Testing and p-values

    Exploring a simplified coin flip example to lay the foundation of null and alternative hypotheses, p-values and significance levels.

    Start Lesson

    χ² tests

    Testing whether observations fit predictions, and whether events are independent, using a χ² distribution.

    Start Lesson

    Student's t-test

    Using the t-distribution to compare a sample mean to a population mean with unknown variance.

    Start Lesson