What is Hypothesis Testing?
Learning Objective
I can perform a hypothesis test to evaluate a claim about a population.
Lesson Flow
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P-values and significance tests | AP Statistics | Khan Academy
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Guided Notes
Key concepts students will learn:
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The null hypothesis states that a change has no effect, while the alternative hypothesis suggests the change does have an effect.
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The p-value is the probability of obtaining a statistic at least as far from the mean as the one observed, assuming the null hypothesis is true.
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If the p-value is less than the significance level (alpha), you reject the null hypothesis and have evidence for the alternative hypothesis.
Practice
12 questions • Multiple choice & Short answer
Exit Ticket
“A company claims the average lifespan of its lightbulbs is 1000 hours. You suspect the lifespan is actually less. You take a sample of 64 lightbulbs and find the sample mean is 950 hours. State the null and alternative hypotheses for this test.”
Teacher Guide
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- Answer keys for all questions
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