Size & Power of Test (Edexcel A-Level Further Mathematics): Flashcards

Estimate of population feature from a sample

Acceptance region for $(100-x)$% significance test

$x$% of such intervals would contain $\mu$

$\overline{x}$ (sample mean)

$\mu = \overline{x} \pm Z \frac{\sigma}{\sqrt{n}}$

Centre of interval (sample mean)

Number of standard deviations from $\overline{x}$

1.96

2.5758

Standard deviation of sampling distribution