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Speed Run
Improve speed and accuracy with a timed multiple-choice quiz.
0 / 500
IB: 4
2 problems
IB: 5
18 problems
IB: 6
17 problems
IB: 7
3 problems
Exploring a simplified coin flip example to lay the foundation of null and alternative hypotheses, p-values and significance levels.
Testing whether observations fit predictions, and whether events are independent, using a χ² distribution.
Using chi squared tests where numerical categories need to be combined, and goodness of fit tests using estimated parameters.
Using the t-distribution to compare a sample mean to a population mean with unknown variance.
Z-tests when the standard deviation is known, confidence intervals using Z and T distributions, critical values & regions, type Ⅰ vs ⅠⅠ errors.
Hypothesis testing using Binomial and Poisson distributions.
