1) The table below gives data for the weight of new born rabbits.

a) Fill in the cumulative frequency column.

b) Plot a cumulative frequency graph.

c) Use your cumulative frequency graph to find the median value.

d) Use your cumulative frequency graph to find the lower quartile and upper quartile.

2) The table below shows the time taken to fill in a questionnaire.

b) Plot a cumulative frequency graph.

c) Use your cumulative frequency graph to find the median value.

d) Use your cumulative frequency graph to find the lower quartile and upper quartile.

2) The table below shows the time taken to fill in a questionnaire.

a) Fill in the cumulative frequency column.

b) Plot a cumulative frequency graph.

c) Use your cumulative frequency graph to find the median value.

d) Use your cumulative frequency graph to find the lower quartile and upper quartile.

3) I planted 50 plants in a greenhouse 6 weeks ago. The plants have grown, and I have measured how tall the plants are. My results are shown in the table below.

b) Plot a cumulative frequency graph.

c) Use your cumulative frequency graph to find the median value.

d) Use your cumulative frequency graph to find the lower quartile and upper quartile.

3) I planted 50 plants in a greenhouse 6 weeks ago. The plants have grown, and I have measured how tall the plants are. My results are shown in the table below.

a) Plot a cumulative frequency graph.

b) Any plants that are above 23 cm are ready to be planted outside. Use your cumulative frequency graph to estimate how many plants are ready to be planted outside.

c) Any plants that are less that 12 cm tall are not going to produce enough fruit. Therefore, the grower throws them away. Using your cumulative frequency graph, estimate how many plants are thrown away.

4) The cumulative frequency graph shows the percentages that individuals scored on a test.

b) Any plants that are above 23 cm are ready to be planted outside. Use your cumulative frequency graph to estimate how many plants are ready to be planted outside.

c) Any plants that are less that 12 cm tall are not going to produce enough fruit. Therefore, the grower throws them away. Using your cumulative frequency graph, estimate how many plants are thrown away.

4) The cumulative frequency graph shows the percentages that individuals scored on a test.

a) Plot a cumulative frequency graph.

A prize was awarded to the top individuals. The ratio of the number of people who got a prize to the number of people who did not get a prize was 1 : 4.

b) How many people got a prize?

c) Using your cumulative frequency graph, work out the required percentage to get a prize on the test.

5) I measure everyone in a class and my results are shown below.

A prize was awarded to the top individuals. The ratio of the number of people who got a prize to the number of people who did not get a prize was 1 : 4.

b) How many people got a prize?

c) Using your cumulative frequency graph, work out the required percentage to get a prize on the test.

5) I measure everyone in a class and my results are shown below.

a) Draw a cumulative frequency graph.