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Mathsercise-C

Mathsercise-C. HD Special Revision Mixture. Ready?. Here we go!. Shahid listed the number of goals scored by each team in his local hockey league in order. Question 2. 7, 12, 13, 18, 19, 24, 31, 34, 39, 42, 56. Find (i) The lower quartile (ii) The upper quartile. 1. HD Mixture. Answer.

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Mathsercise-C

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  1. Mathsercise-C HD Special Revision Mixture Ready? Here we go!

  2. Shahid listed the number of goals scored by each team in his local hockey league in order Question 2 7, 12, 13, 18, 19, 24, 31, 34, 39, 42, 56 Find (i) The lower quartile (ii) The upper quartile 1 HD Mixture Answer

  3. Here are the times, in minutes, taken to complete maths homework 12, 25, 19, 24, 27, 31, 37, 11, 28, 29, 35, 38, 10, 11, 27, 32, 29, 16 4 7 1 7 8 2 5 9 1 Question 3 0 8 1 2 9 6 9 5 7 Draw a stem and leaf diagram to show this The leaves come from the units digits The stems come from the tens digits 1 2 3 2 HD Mixture Answer

  4. 100 students took a test, the graph shows information about their marks 100 90 80 70 No. of students 60 50 40 30 20 10 10 20 30 40 60 70 50 80 90 Question 4 (i) Estimate the lowest and highest marks (ii) Estimate the median score (iii) Find the interquartile range - = 20 15 100 45 57 65 3 Marks HD Mixture Answer

  5. This box plot shows information about the time taken for 24 girls at the swimming club to swim 800m in training 11 12 13 14 16 17 20 21 24 25 7 8 9 10 15 18 19 22 23 Start Mins Describe the times of the swimmers with reference to median, slowest, fastest, and interquartile range Answer Fastest = 23 mins, slowest = 8.5 mins Median = 18 mins, range = 15.5 mins Interquartile range = 20 – 12.5 = 7.5 mins 4 HD Mixture

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