Hypothesis Testing (Edexcel A-Level Mathematics): Flashcards

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Hypothesis Testing
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What is a critical region in hypothesis testing?

It's the set of xx values leading to null hypothesis rejection.

How do you denote a binomial distribution?

B(n,p)B(n, p) where nn is trials and pp is success probability.

What is the significance level in hypothesis testing?

It defines the probability of rejecting a true null hypothesis.

What does H0H_0 represent in statistics?

H0H_0 is the null hypothesis being tested for falseness.

What is the definition of a critical value in testing?

A value that defines the threshold for rejecting the null hypothesis.

What is the critical region for H0:p=0.25H_0: p = 0.25?

Critical region is X6X \geq 6 for a significance level of 5%.

What method speeds up testing in Binomial CD?

Use 'List Mode' to input multiple values quickly.

What defines the critical region in hypothesis testing?

It includes values that lead to rejecting H0H_0 at a significance level.

What is a left tail test in hypothesis testing?

It tests if the mean is significantly less than a value.

How to calculate actual significance level?

Sum probabilities in rejection region from critical values.

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