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

Interactive practice questions

The table shows the number of crime novels in a bookshop for different price ranges.

Price of crime novel to nearest $\$5$$5 Frequency
$5$5 $5$5
$10$10 $10$10
$15$15 $17$17
$20$20 $8$8
$25$25 $17$17
$30$30 $10$10
$35$35 $5$5
a

Plot this data as a histogram.

Novel GenresPrice Frequency51015205101520253035
b

Which of the following best describes the data in the graph and table?

Symmetrical

A

Right skewed

B

Left skewed

C

Uniform distribution

D

Symmetrical

A

Right skewed

B

Left skewed

C

Uniform distribution

D
Easy
Approx a minute
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How many peaks are there on the graph?

What type of skew does the graph show?

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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