Statistics Quiz

Which is an example of Discrete data?

• number of oranges in a fruit bowl

• amount of snowfall in Peterborough over the course of 10 years

• the heights of all grade 11 students at Crestwood

• the mass of each carbon-14 sample in the lab

Which is an example of Continuous data?

• number of cars speeding on the 115 over the course of a day

• number of daily visitors to the Peterborough zoo

• daily temperature over the course of one summer

• number of pairs of shoes each member of a family possesses

What type of graph would we use to depict Continuous data?

• parabola

• bar graph

• circle graph

• histogram

This is an example of...

(a)  

Determine the mean of the following set of data:

67, 61, 79, 89, 90, 55, 46

• 67

• 69.6

• 89

• 55.7

What is the mode of the following set of data:

100, 131, 189, 135, 131, 203, 160

• 131

• 135

• 149.9

• 136.7

What is the median of the following set of data?

25, 36, 79, 55, 100, 12, 66, 88

• 60

• 55

• 60.5

• 66

Determine the median of the following set of data.

234, 679, 400, 557, 234

• 234

• 400

• 420.8

• 557

The following set of data shows the results of a quiz in math class. Should the teacher use the mean or the median to give an accurate snapshot of how the class did?

88, 83, 92, 35, 85, 95

• mean

• median

You received the following marks on your last three tests: 75%, 65% and 85%. You want to get your test average up to 80%. What would you have to get on your fourth test?

• 80%

• 95%

• 105%

• 85%