S2 End-of-unit Test 2

Transcription

1 S2 End-of-unit Test 2 The numer of people waiting for a train at a station is recorded every half hour. The graph shows this information. a How many people were waiting for a train at 0900? What was the lowest numer of people waiting that was recorded? c The most people waiting at the station was 3. Is this statement True False Can t tell d How many more people were there at 0800 than at 0730? e The numer of people at the station will e less at 30. Is this statement True False Can t tell Original material Camridge University Press 2009

2 2 Darren is doing a survey to find out whether Salt & Vinegar or Cheese & Onion is a more popular flavour of crisp. He asks, Do you like Salt & Vinegar crisps? Do you like Cheese & Onion crisps? The pie chart shows the results. Cheese & Onion Neither Both Salt & Vinegar a Which flavour was most popular? More people liked preferred Salt & Vinegar only than liked Neither. Is this statement true or false? True False Can t tell c Some people who picked Both decided they would pick Cheese & Onion only. Which sector of the pie chart would remain unchanged? d 40 people gave answers for the survey. 8 people gave an answer of Both. On the pie chart, what would e the angle for the sector Both? 2 marks Original material Camridge University Press

3 3 In a school, the numer of pupils in Year 8 on each science level is recorded in a tale. Level Frequency a Complete a ar chart and a pie chart to show this information. The teacher wants to find out how many pupils achieved the most popular level. Which chart shows this most clearly? marks c The teacher wants to compare the proportion of pupils achieving each level. Which chart shows this most clearly? Original material Camridge University Press

4 4 The scatter graph shows the length of the ody, and the length of the tail, of a numer of mice. a To find the length of a mouse, you add the ody length to the tail length. What was the highest total length of a mouse? mm The range in tail length is greater than the range in ody length. Is this statement True False END OF ASSESSMENT Original material Camridge University Press

5 S2 End-of-unit Test 2 Teacher Guidance Units covered: S2.3, S2.4 Guide to Levels Level Description 4 Making simple comparisons and explanations using charts, diagrams, pictograms, ar charts, line graphs; reading from charts and graphs Using the range, mode, median Comparing and making simple deductions using line graphs and pie charts Considering proportion Making interpretations and explanations using statistical diagrams Using proportion to make comparison 7 Drawing and using scatter diagrams Using a line of est fit Deducing correlation Answers Question Level Mark Answer Notes a c Can t tell d e 2 a c d 3 a c 4 a 4 2 NB: Levels are approximate only. Can t tell S&V False S&V or neither 72 Bar chart Pie chart Bar chart Pie chart 20 False Suggested guidance on overall level ased on performance: Level 4 Level Level Total 3 marks marks 4 marks 9 marks with reason e.g. there could e more etween the two recordings with reason e.g. graph does not go that far with reason e.g. Neither is larger oth or either response 2 marks for 72, or for complete method shown e.g for ars at correct heights for same width ars 2 marks for angles (08, 44, 72, 3 ) and drawn correctly; or for at least two angles or angles calculated. for laels with reason with reason with reason (e.g. ody length range is 2 and tail length range is 4) Original material Camridge University Press 2009

6 NB: Levels are approximate only. Original material Camridge University Press 2009