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New Zealand
Level 7 - NCEA Level 2

Features of Populations and Samples

Interactive practice questions

Which of the following is the notation for the population mean?

$\mu$μ

A

$s$s

B

$\overline{x}$x

C

$\sigma$σ

D
Easy
< 1min

Which of the following is the notation for the population standard deviation?

Easy
< 1min

Which of the following is the notation for the sample mean?

Easy
< 1min

Which of the following is the notation for the sample standard deviation?

Easy
< 1min
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Outcomes

S7-2

S7-2 Make inferences from surveys and experiments: A making informal predictions, interpolations, and extrapolations B using sample statistics to make point estimates of population parameters C recognising the effect of sample size on the variability of an estimate

91264

Use statistical methods to make an inference

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