Statistics

The line graph shows the amount of petrol in a car’s tank.

a

How much petrol was initially in the tank?

$\editable{}$ litres.

b

What happened at $9$9am and $1$1pm?

The driver filled the tank.

A

The amount of petrol being used increased.

B

The car was travelling at a fast speed.

C

The driver filled the tank.

A

The amount of petrol being used increased.

B

The car was travelling at a fast speed.

C

c

How much petrol was used between $1$1pm and $5$5pm?

d

To the nearest hour, when did the petrol in the tank first fall below $18$18 litres?

Approximately $\editable{}$$:$:$00$00

Easy

Approx 2 minutes

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Plan and conduct investigations using the statistical enquiry cycle:– determining appropriate variables and data collection methods;– gathering, sorting, and displaying multivariate category, measurement, and time-series data to detect patterns, variations, relationships, and trends;– comparing distributions visually;– communicating findings, using appropriate displays.