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?

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

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

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

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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?

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