NZ Level 6 (NZC) Level 1 (NCEA)
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Recognising the centre of data

Interactive practice questions

Select the data set from each of the options below that has:

a

The lowest mode.

$3,9,18,9,65,13$3,9,18,9,65,13

A

$5,12,16,16,86,3$5,12,16,16,86,3

B

$3,9,18,9,65,13$3,9,18,9,65,13

A

$5,12,16,16,86,3$5,12,16,16,86,3

B
b

The highest median?

$3,9,13,18$3,9,13,18

A

$9,16,16,65,86$9,16,16,65,86

B

$3,9,13,18$3,9,13,18

A

$9,16,16,65,86$9,16,16,65,86

B
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Answer these questions by inspection

For each of the following statements, decide whether they are true or false:

For each of the following decide whether the statements are true or false.

Outcomes

S6-1

Plan and conduct investigations using the statistical enquiry cycle: A justifying the variables and measures used B managing sources of variation, including through the use of random sampling C identifying and communicating features in context (trends, relationships between variables, and differences within and between distributions), using multiple displays D making informal inferences about populations from sample data E justifying findings, using displays and measures.

91035

Investigate a given multivariate data set using the statistical enquiry cycle

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