NZ Level 6 (NZC) Level 1 (NCEA) 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

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

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
Less than a minute

Consider the following variables:

• Ticket sales
• Revenue from a show

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

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

### 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