QUIZ - Reports at Whizz: Averages

Whizz School has 2 classes, Class A and Class B. Class A is larger than Class B. Which of the following statements is true?

The School Average Usage is closer to the Class B average than it is to the Class A average.

The School Average Usage is closer to the Class A average than it is to the Class B average.

The school average usage is halfway between the Class A average and the Class B average

Impossible to say where the School Average Usage is in relation to each class average

Whizz School has three classes, Class A, Class B and Class C. The average weekly Usage (in minutes) of each student in each class is shown below. What is the average weekly Usage for the school? You may assume that the timespan is the same for all students.

Class A: 30, 20, 30, 20, 25

Class B: 3, 2

Class C: 10, 10, 0

15.4 mins/week

15.0 mins/week

16.7 mins/week

12.5 mins/week

Class A has a higher average usage than Class B. Which of the following statements must be true?

Class A is larger than Class B

Class B is larger than Class A

Class A and Class B are the same size

Can't say which class is larger

There are 25,000 students on Maths-Whizz in the UK, and the average usage is 30 minutes/week. Which of the following statements must be true? Tick all that apply.

At least one school has an average weekly usage of 30 minutes/week or greater

At least half of UK schools have an average usage of 30 minutes/week or greater

At least 12,500 students have an average usage 30 minutes/week or greater

At least one student has an average weekly usage of 30 mins/week or greater

The average usage of Whizz World (all Maths- Whizz users) this academic year is 6 mins/week. What is the most likely explanation?

Our implementations are weak across the world

Our data must be wrong.

Large implementations like Kenya, where usage is low, significantly bring down the overall average

Smaller implementations like Dubai, where usage has been low, significantly bring down the overall average.

QUIZ - Reports at Whizz: Averages

More Quizzes