Q.1
Which averages could best represent this set of data?
  • Mode and median
  • Mean and mode
  • Median and mean
  • Any of them
Q.2
A box of paper clips is labelled 'average contents 100'. How many paper clips would you expect to find in the box?
  • 100
  • About 100
  • At least 100
  • More than 100
Q.3
Which of these is always one of the data values in a set?
  • Mean
  • Median
  • Mode
  • Range
Q.4
Of 20 customers at a vending machine, 8 spent 50p, 5 spent 60p, 4 spent 75p and 3 spent £What was the total amount spent?
  • £2.85
  • £8.50
  • £10.90
  • £13.00
Q.5
What is the modal amount spent by these 20 customers?
  • 50p
  • 60p
  • 75p
  • £1
Q.6
What is the median of this data?
  • 50p
  • 60p
  • 75p
  • £1
Q.7
To find the mean of a data set, add up all values then divide by the .......
  • number of values in the set
  • biggest number in the set
  • smallest value in the set
  • middle value of the set
Q.8
What is the mean amount spent by the 20 vending machine customers?
  • 50p
  • 55p
  • 60p
  • 65p
Q.9
The mean length of calls to a help desk is 3 minutes. If the advisers take 1,000 calls, how much time do they spend on the 'phone?
  • 20 hours
  • 30 hours
  • 40 hours
  • 50 hours
Q.10
The mean of the first 9 calls is 5 minutes. The next call takes 10 minutes. What is the mean of the first 10 calls?
  • 4.5 minutes
  • 5 minutes
  • 5.5 minutes
  • 6 minutes
0 h : 0 m : 1 s