Year 12/11 - Pre Assessment of Mathematics 9

A statistic is…

• a planned activity whose results yield a set of data

• the set of values collected from the variable from each of the elements that belong to the sample

• a numerical value that summarises all of the data of an entire population

• a numerical value summarising the sample data

Statistics are used …

• in government

• in education

• in mathematics

• all of the answer choices

A sample is ...

• a subset of population

• a characteristic of a population

• an infinite selection of a population

• a data value generated by the statistical information

Type of correlation (association)

The number of siblings you have and your weight.

• positive correlation

• negative correlation

• no correlation

• all of the answer choices

Type of correlation (association)

The outside temperature and the amount of layers you wear.

• positive correlation

• negative correlation

• no correlation

• all of the answer choices

How many students have more than 1,000 songs on their Spotify playlist?

The team scored 50 points. How many points did Kendrick score?

After the refrigerator, which appliance is used the most on weekdays?

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

Awan just moved to a new apartment. He made a graph showing the number of boxes in each room. Awan moved 1 box from bedroom to bathroom and 1 box from living room to kitchen. After moving those 2 boxes, which rooms had the same number of boxes?