Maths Mastery Statistics Line Graphs Spot the Mistakes

Maths Mastery Statistics – Line Graphs

Spot the Mistakes Explain the mistakes in this line graph showing average temperature in Paris, which is drawn from the information in the table. 20 Month Temperature (˚C) 16 January 5 14 February 6 12 March 9 April 11 May 15 June 16 July 20 4 August 20 2 September 16 0 October 12 November 7 December 5 Temperature (˚C) 18 10 8 6 Jan Feb Mar Apr May Jul Aug Sept Oct Nov Dec Months

Spot the Mistakes Explain the mistakes in this line graph showing average rainfall in London, which is drawn from the information in the table. Month Rainfall (mm) 70 January 54 60 February 40 50 March 38 April 38 May 48 June 46 July 58 10 August 60 5 September 50 0 October 57 November 65 December 50 Average in London Months 40 30 20 Jan Feb Mar May Jun Jul Aug Sept Oct Nov Dec Rainfall (cm)

True or False Explain why each of the following statements are true or false. Average Temperature 16 The difference between True: 16°the C – highest 4°C or read graph. andon lowest temperature is 12°C. 14 12 Temperature (°C) The lowest False: 4°C ° temperature is 5 C 10 8 The temperature °C; 11°C is rose False: 5 the 11°C from March to temperature in May. 6 4 2 0 Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec Months The largest fall in True: largest temperature was difference between from October to points on the graph. November. Show Hide Answers

True or False Explain why each of the following statements are true or false. Average Rainfall 16 The difference between highest False: the 16 cmand 3 cm=13 cm lowest rainfall is 10 cm. 14 12 Rainfall (cm) The lowest rainfall is True: 3 cm 10 8 Rainfall rose 5 cm True: 5 cm. from April to May. 6 4 2 0 Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec Months The largest fall in False: September to rainfall was from October to November. Show Hide Answers

Solve This graph shows the length of a shadow at each hour: What was the difference between 81 -82 cm the shortest and longest shadow? Shadows From a 50 cm Stick 140 120 By how much did the shadow change 60 cm between 8: 00 am and 10: 00 am? 100 80 60 40 20 Time 18: 00 17: 00 16: 00 15: 00 14: 00 13: 00 12: 00 11: 00 10: 00 9: 00 0 8: 00 Length of Shadow in Centimetres When was the 13: 00 shadow shortest? What time would you expect the 17: 00 shadow to be 120 cm again? Show Hide Answers

Solve This graph shows the number of people in a shop at each hour: What was the difference in customer 25 numbers between 10. 00 and 13. 00? Bargain World Customers 35 30 25 Explain why there The shop closed. were no was customers at 18: 00. 20 15 10 5 Time 18: 00 17: 00 16: 00 15: 00 14: 00 13: 00 12: 00 11: 00 10: 00 9: 00 0 8: 00 Number of people When was the 13: 00 busiest time of day? What time would you expect there to 8: 00 be people in the shop the next day? Show Hide Answers