NZ Level 6 (NZC) Level 1 (NCEA)
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Reading and Interpreting Time Series Graphs

Interactive practice questions

The graph shows the change in Australian stock prices (in red) and US stock prices (in blue) over several years.

Source: treasury.gov.au

a

What can you say about the trend of the US and Australian stock prices from October 2002 to October 2006?

Both increasing

A

Both decreasing

B

Both increasing

A

Both decreasing

B
b

During October of which year do we start to see the trend change direction?

October $\editable{}$

c

What evidence on the graph indicates the Global Financial Crisis occurred?

Many outliers after October 2007

A

An irregular fluctuation after October 2007

B

More seasons per cycle after October 2008

C

Many outliers after October 2007

A

An irregular fluctuation after October 2007

B

More seasons per cycle after October 2008

C
d

Which country’s stock prices fared better after the Global Financial Crisis?

Australia

A

United States of America

B

Australia

A

United States of America

B
Easy
Approx 2 minutes
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Examine the following graph:

The following graph shows the number of US dollars that one Australian dollar could buy over a 5 year period.

Consider the following Time Series graph.

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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