Statistics & Probability · Guided Practice
Interpreting Graphs and Tables
8 questions with answers and video solutions. Try each one before revealing the answer.
FitZone: a joining fee of plus per month
FlexFit: no joining fee, per month
A customer wants membership for months.
Determine which gym is cheaper. Use your working to justify your answer.
Answer
FlexFit:
FitZone is cheaper.
Tariff X: per month plus pence per minute
Tariff Y: per month with unlimited minutes
A customer uses minutes each month.
Determine which tariff is cheaper. Use your working to justify your answer.
Answer
Tariff Y:
Tariff X is cheaper.
Up to kg:
Over kg and up to kg:
Over kg: plus for each additional kilogram or part kilogram
Calculate the cost of delivering a parcel weighing kg.
Answer
A job takes hours.
Calculate the total charge.
Answer
The graph shows how many pounds sterling could be bought for 1 euro during December 2017.
(a) Daniel changed 250 euros to pounds sterling at 09:00 on 7 December. Calculate how many pounds he received.
Daniel was working in France. He bought a laptop costing 400 euros. He calculated this was equivalent to £334.80.
(b) Use the graph to find the date that Daniel bought the laptop. Use your working to justify your answer.
Answer
(a) £213
(b) 9 December (exchange rate was pounds per euro).
The bar chart below shows the medals won by four countries in the 2016 Olympic Games.
(a) Calculate the number of gold medals won by the UK in the 2016 Olympic Games.
(b) Calculate the ratio of gold : silver : bronze medals for France. Give your answer in its simplest form.
Answer
(a) 27
(b) 5:9:7
In each packet there are seven colours. The table shows the number of each colour present in each packet.
| Colour | yellow | purple | pink | red | blue | green | orange |
|---|---|---|---|---|---|---|---|
| Number | 7 | 8 | 6 | 4 | 4 | 3 | 7 |
The packets must be filled as shown in the table. There are 27 500 of each colour in stock.
(d) Calculate how many packets can be filled.
Answer
3437 packets
An international athletics event was held in Doha, Qatar.
In athletics, competitors in the heptathlon must compete in seven different events.
The competitor is awarded points depending on how well they perform in each event.
The table shows the number of points awarded for different levels of performance in each of the events.
| Points scored | Event | ||||||
|---|---|---|---|---|---|---|---|
| 100 m Hurdles (sec) | High jump (m) | Shot put (m) | 200 m run (sec) | Long jump (m) | Javelin throw (m) | 800 m run (min sec) | |
| 980 | 13.99 | 1.81 | 16.77 | 24.01 | 6.42 | 56.15 | 2 min 9 sec |
| 1000 | 13.85 | 1.82 | 17.07 | 23.80 | 6.48 | 57.18 | 2 min 8 sec |
| 1020 | 13.71 | 1.83 | 17.37 | 23.59 | 6.54 | 58.25 | 2 min 6 sec |
| 1040 | 13.57 | 1.85 | 17.66 | 23.39 | 6.60 | 59.25 | 2 min 5 sec |
| 1060 | 13.43 | 1.86 | 17.95 | 23.19 | 6.66 | 60.30 | 2 min 4 sec |
| 1080 | 13.30 | 1.88 | 18.25 | 22.99 | 6.72 | 61.30 | 2 min 2 sec |
| 1100 | 13.16 | 1.89 | 18.54 | 22.79 | 6.78 | 62.30 | 2 min 1 sec |
| 1120 | 13.03 | 1.91 | 18.84 | 22.59 | 6.84 | 63.35 | 2 min 0 sec |
| 1140 | 12.90 | 1.92 | 19.14 | 22.40 | 6.90 | 64.39 | 1 min 59 sec |
| 1160 | 12.76 | 1.95 | 19.43 | 22.20 | 6.96 | 65.40 | 1 min 57 sec |
| 1180 | 12.63 | 1.96 | 19.72 | 22.01 | 7.02 | 66.40 | 1 min 56 sec |
| 1200 | 12.51 | 1.97 | 20.02 | 21.82 | 7.08 | 67.45 | 1 min 55 sec |
One of the competitors achieved a height of 1.95 metres in the high jump.
(a) Use the table to state how many points they scored for the high jump.
Answer
1160