Q.1.
A box of paper clips is labeled 'average contents 100'. How many paper clips would you expect to find in the box?
Q.2.
Which of these is always one of the data values in a set?
Q.3.
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?
Q.4.
What is the modal amount spent by these 20 customers?
Q.5.
What is the median of this data?
Q.6.
To find the mean of a data set, add up all values then divide by the .......
Q.7.
What is the mean amount spent by the 20 vending machine customers?
Q.8.
Which averages could best represent this set of data?
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?
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?