Significance tests (hypothesis testing)
Tests about a population mean
Explore population mean testing through hypothesis tests, understanding significance, power, and error probabilities while developing critical statistical skills and confidence in interpreting real-world data.
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Writing hypotheses for a significance test about a mean
Khan Academy
•9th - 12th Grade
•10 Qs
Conditions for a t test about a mean
Khan Academy
•9th - 12th Grade
•10 Qs
When to use z or t statistics in significance tests
Khan Academy
•10th - 12th Grade
•10 Qs
Example calculating t statistic for a test about a mean
Khan Academy
•10th - 12th Grade
•10 Qs
Using TI calculator for P-value from t statistic
Khan Academy
•10th - 12th Grade
•10 Qs
Using a table to estimate P-value from t statistic
Khan Academy
•10th - 12th Grade
•10 Qs
Comparing P-value from t statistic to significance level
Khan Academy
•10th - 12th Grade
•10 Qs
Free response example: Significance test for a mean
Khan Academy
•11th - 13th Grade
•10 Qs
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