New Zealand
Level 6 - NCEA Level 1

# Dependent and Independent Variables

## Interactive practice questions

Consider the following variables:

• Number of ice cream cones sold
• Temperature (°C)
a

Which of the following statements makes sense?

The temperature affects the number of ice cream cones sold.

A

The number of ice cream cones sold affects the temperature.

B
b

Which is the dependent variable and which is the independent variable?

The independent variable is the temperature and the dependent variable is the number of ice cream cones sold.

A

The independent variable is the number of ice cream cones sold and the dependent variable is temperature.

B
Easy
< 1min

Consider the following variables:

• Ticket sales
• Revenue from a show
Easy
< 1min

For the following variables, choose the sets where one variable has an effect on the other.

Select the three correct options.

Easy
< 1min

For the following variables, choose the sets where one variable has an effect on the other.

Easy
< 1min
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### 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.

#### 91036

Investigate bivariate numerical data using the statistical enquiry cycle