Level 5-6 Data Handling - Averages 02

1. 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

2. Which of these is always one of the data values in a set?

   • Mean
   • Median
   • Mode
   • Range

3. Of 20 customers at a vending machine, 8 spent 50p, 5 spent 60p, 4 spent 75p and 3 spent £1. What was the total amount spent?

   • £2.85
   • £8.50
   • £10.90
   • £13.00

4. What is the modal amount spent by these 20 customers?

   • 50p
   • 60p
   • 75p
   • £1

5. What is the median of this data?

   • 50p
   • 60p
   • 75p
   • £1

6. 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

7. What is the mean amount spent by the 20 vending machine customers?

   • 50p
   • 55p
   • 60p
   • 65p

8. Which averages could best represent this set of data?

   • Mode and median
   • Mean and mode
   • Median and mean
   • Any of them

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

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

Quiz written by Hilary Wilson