New Zealand
Level 6 - NCEA Level 1

# 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 $\$55 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.

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

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