Open with * Practise b) Use the circle graph to determine what A percent of the people surveyed chose vegetarian dishes. 1. Explain the problem with the intervals in c) Sketch a pictograph for the data. each of the following tables. d) Use the pictograph to determine whether a) Age (years Frequency more than half of the respondents chose 28-32 red-meat dishes. 33-38 38-42 11 4. a) Estimate the number of hours you spent 42-48 each weekday on each of the following activities: eating, sleeping, attending 48-52 class, homework, a job, household b) Score (%) Frequency chores, recreation, other. 51-65 b) Present this information using a circle 66-70 11 graph. 71-75 c) Present the information using a 76-80 + pictograph. 91-95 Apply, Solve, Communicate 2. Would you choose a histogram or a bar 5. The examination scores for a biology class graph with separated bars for the data listed are shown below. below? Explain your choices. a) the numbers from 100 rolls of a standard 68 77 91 66 52 58 94 81 60 73 57 44 58 71 78 80 54 die 87 43 61 90 41 76 55 75 49 b) the distances 40 athletes throw a shot-put a) Determine the range for these data. c) the ages of all players in a junior lacrosse league b) Determine a reasonable interval size and number of intervals. d) the heights of all players in a junior lacrosse league c) Produce a frequency table for the grouped data. 3. A catering service conducted a survey asking d) Produce a histogram and frequency respondents to choose from six different hot polygon for the grouped data. meals. e) Produce a relative-frequency polygon Meal Chosen Number for the data. Chicken cordon bleu 16 f) Produce a cumulative-frequency polygon New York steak 20 for the data. Pasta primavera (vegetarian) g) What do the frequency polygon, the Lamb chop 12 relative-frequency polygon, and the Grilled salmon 10 cumulative-frequency polygon each Mushroom stir-fry with almonds (vegetarian) illustrate best? a) Create a circle graph to illustrate these data. 2.1 Data Analysis With Graphs . MHR 101 Page 101 / 664 +