Data Representation Mastery

Create a frequency table for the following data: 3, 5, 3, 7, 5, 5, 3, 8, 7, 9.

• { "3": 4, "5": 2, "7": 2, "8": 0, "9": 1 }

• { "3": 3, "5": 3, "7": 3, "8": 1, "9": 0 }

• { "3": 3, "5": 3, "7": 2, "8": 1, "9": 1 }

• { "3": 2, "5": 4, "7": 1, "8": 1, "9": 1 }

Interpret the pictogram showing the number of books read by students: 1 icon = 2 books. If there are 5 icons, how many books were read?

• 10 books

• 6 books

• 8 books

• 12 books

Construct a bar chart using the following data: A: 10, B: 15, C: 7, D: 12.

• A(5), B(20), C(10), D(15)

• A(10), B(15), C(7), D(10)

• A(12), B(15), C(7), D(8)

• Bar chart: A(10), B(15), C(7), D(12)

Analyze the pie chart showing the distribution of favorite fruits: Apples 25%, Bananas 35%, Cherries 20%, Dates 20%. What is the percentage of bananas?

• 20%

• 35%

• 25%

• 30%

Draw a frequency polygon for the following data points: (1, 2), (2, 5), (3, 3), (4, 6), (5, 4).

• A bar graph representing the same data points.

• A line graph connecting the points in a different order.

• A frequency polygon connecting the points (1, 2), (2, 5), (3, 3), (4, 6), (5, 4) with lines.

• A pie chart showing the distribution of values.

Compare the data representations: Which is more effective for showing parts of a whole, a pie chart or a bar chart?

• A bar chart is more effective for showing parts of a whole.

• A pie chart is only effective for showing trends over time.

• Both pie charts and bar charts are equally effective for this purpose.

• A pie chart is more effective for showing parts of a whole.

Create a frequency table for the survey results: Yes: 20, No: 15, Maybe: 5.

• {'Yes': 15, 'No': 20, 'Maybe': 10}

• {'Yes': 30, 'No': 5, 'Maybe': 0}

• {'Yes': 20, 'No': 15, 'Maybe': 5}

• {'Yes': 25, 'No': 10, 'Maybe': 3}

Interpret the pictogram that shows the number of pets owned: 1 icon = 3 pets. If there are 4 icons, how many pets are there?

• 15 pets

• 9 pets

• 12 pets

• 6 pets

Construct a bar chart for the following data: Math: 18, Science: 22, English: 15, History: 10.

• Math: 15, Science: 25, English: 10, History: 5

• Math: 20, Science: 18, English: 12, History: 15

• Math: 22, Science: 20, English: 18, History: 12

• Bar chart: Math: 18, Science: 22, English: 15, History: 10

Analyze the pie chart that shows the market share of four companies: A: 40%, B: 30%, C: 20%, D: 10%. Which company has the largest share?

• Company B

• Company C

• Company D

• Company A