Data

You are interested in finding our about how many year 8s catch the bus to school. You survey all of the students in your class. This is an example of:

• A census

• Sampling

A sample of year 8s from Seaview always gives us a good prediction of the population of year 8s from around the world?

• True

• False

Ms. Tranter would like to know how all about the experience of students at Seaview high school in 2022. Which choice represents the best sample?

• All of the year 8s

• Every student and teacher at the school

• A random group of students from each year level.

• All of the students in SA

The canteen is tracking how much money students spend at recess and lunch. Which of the following in the population?

• All of the students who purchase something from the canteen.

• All of the students at the school.

• All year 8s and 9s

• All girls in year 10.

Find the outlier in the following set: 20,24,18, 16, 29, 65, 23, 24

• 16

• 65

• 29

• 24

The number of teeth that six year 8 students have is 32, 32, 31, 29, 32, 30. A new student named Sharky McSharkface joins the class. This student has 240 teeth. Which of the following averages will be affected the most by Sharky?

• Mean

• Median

• Mode

• Average

Find the mean of the following numbers 1, 3, 3, 6, 2, 9

• 4

• 3

• 24

• 8

Find the mode of the following numbers 1, 3, 3, 6, 2, 9

• 3

• 4

• 24

• 8

Find the range of the following numbers 1, 3, 3, 6, 2, 9

• 3

• 4

• 24

• 8

Find the median of the following numbers 1, 3, 3, 6, 2, 9

• 3

• 4

• 4.5

• 8