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d) state whether the data is qualitative or quantitative (1 mark) e) will the data will be discrete or continuous? (1 mark) f) State whether
d) state whether the data is qualitative or quantitative (1 mark) e) will the data will be discrete or continuous? (1 mark) f) State whether a cross-sectional or longitudinal study would be most appropriate to draw conclusions. Explain. (2 marks) 28. Students in Mr. Smith's math class were asked if they can watch television and do math homework at the same time. The darker area on top represents Males. Explain how the graph shows that males are more likely than female to self-report that they can multitask. (2 marks) Watching TV and doing homework 25 20 Frequency 15 10 S 0 Yes No 29. The circle graph shows the relative size of each grade (9, 10, 11, and 12) in a high school.a) If the school has 900 students in all, calculate the number Grade 10 Grade 9 30%% 35% of students in each grade. (1 mark) Grade II Grade 12 20% 15% Grade 9 Grade 10 Grade 11 Grade 12 b) How many grade 12 students would have to leave the school in order for the Grade 9's to make up 40% of the student body? Show your work. (2 marks) 30. Calculate the following based on the garbage production data given. Country Garbage a) The range (1 mark) (lagperson) day Canada 1,7 Australia 1.6 United States 1.6 switzerland 1.3 b) The mean (1 mark) Netherlands 1.1 United Kingdom Japan 0.9 Sweden 0.8 China 0.5 Ethiopia 0.2 c) The median (1 mark)d) Interquartile range (1 mark) e) Standard deviation (3 marks) f) What do the values suggest? (1 mark) PART C: Thinking /18 31. A manufacturer of flexible seals for industrial equipment tests samples of its seals at a variety of temperatures and collects the following data: Temperature (degrees C) 16 5 9 12 7 10 Seal Failures 3 12 8 6 4 7 a. Draw a completely labeled scatter plot for the data. (2 marks)
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