A group of 55 pupils were asked if they owned a phone or a tablet.
11 said they owned both
18 said they only owned a tablet
34 said they owned a phone
a) Draw a Venn diagram to show the information.
b) A student is chosen at random from the group.
What is the probability that the student doesn't have a phone or tablet
A survey of 100 adults was made to see how many hours they spent watching TV each week.
The table below shows how long in hours the adults spent.
Complete the cumulative frequency table
b) On the grid draw a cumulative frequency graph for your table
c) Use your graph to find the median time spent watching TV
d) Estimate how many adults watched more than 17 hours TV per week.