NZ Level 6 (NZC) Level 1 (NCEA)
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Comparing Sets of Data

Interactive practice questions

The test scores of 12 students in Music and French are listed below.

Music: $79,59,74,94,51,71,93,84,69,61,86,86$79,59,74,94,51,71,93,84,69,61,86,86

French: $62,71,64,82,83,99,87,89,66,73,59,76$62,71,64,82,83,99,87,89,66,73,59,76

Display the data as an ordered stem-and-leaf plot.

French   Music
$\editable{}$   $5$5   $\editable{}$   $\editable{}$
$\editable{}$   $\editable{}$   $\editable{}$   $6$6   $\editable{}$   $\editable{}$
$\editable{}$   $\editable{}$   $\editable{}$   $7$7   $\editable{}$   $\editable{}$   $\editable{}$
$\editable{}$   $\editable{}$   $\editable{}$   $\editable{}$   $8$8   $\editable{}$   $\editable{}$   $\editable{}$
$\editable{}$   $9$9   $\editable{}$   $\editable{}$
Approx 3 minutes
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The Stem and Leaf plot shows the batting scores of two cricket teams, India and England.

The table shows the scores of Student A and Student B in 5 separate tests.

The Stem and Leaf plot shows the test scores of two classes, A and B



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.


Investigate a given multivariate data set using the statistical enquiry cycle


Investigate bivariate numerical data using the statistical enquiry cycle

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