Data Handling

Question 1:
Which of the following is the best way to represent data that shows how many students prefer different types of sports?

• A) Line Graph

• B) Bar Graph

• C) Pie Chart

• D) Scatter Plot

Answer explanation

A Bar Graph is the best choice for representing data on student preferences for different sports, as it clearly shows comparisons between categories, making it easy to see which sports are more popular.

Question 2:
What is the main purpose of a table when handling data?

• A) To collect raw data.

• B) To display data visually.

• C) To organize data into rows and columns.

• D) To analyze patterns in the data.

Answer explanation

The main purpose of a table is to organize data into rows and columns, making it easier to read and manage. While tables can also display data visually, their primary function is organization, which is best represented by option C.

Question 4:
You collected data on your classmates’ favorite fruit. Which type of graph would BEST show how much each fruit is liked in proportion to the others?

• A) Line Graph

• B) Pie Chart

• C) Bar Graph
  

• D) Histogram

Answer explanation

A pie chart is ideal for showing proportions, making it the best choice to display how much each fruit is liked relative to others. Line graphs and histograms are not suitable for categorical data, while bar graphs can show counts but not proportions as effectively.

Question 3:
In a bar graph, what does the height of the bar represent?

• A) The number of categories.

• B) The amount of data in each category.

• C) The labels for the data.

• D) The total number of items.

Answer explanation

In a bar graph, the height of each bar indicates the amount of data in each category. Therefore, option B is correct as it directly relates to the representation of data quantities.

Question 5:
Which part of a graph is MOST important for understanding what the data represents?

• A) The title of the graph.

• B) The size of the graph.

• C) The colour of the bars

• D) The type of paper it is printed on.

Answer explanation

The title of the graph is crucial as it provides context and indicates what the data represents. Without a clear title, understanding the graph's purpose and the data it conveys becomes challenging.

Question 6:
If you are comparing the number of rainy days over a year, which graph would be the most suitable?

• A) Bar Graph

• B) Line Graph

• C) Pie Chart

• D) Pictogram

Answer explanation

A line graph is ideal for showing trends over time, such as the number of rainy days throughout a year. It effectively illustrates changes and patterns, making it the most suitable choice compared to the other options.

Question 7:
What is the first step in creating a bar graph?

• A) Draw the bars.

• B) Choose the title.

• C) Collect and organize the data.

• D) Label the axes.

Answer explanation

The first step in creating a bar graph is to collect and organize the data. This ensures you have the necessary information to accurately represent it visually, making option C the correct choice.

Question 8:
In which situation would you use a line graph?

• A) To show the popularity of sports in a school.

• B) To compare the number of books read by students.

• C) To track changes in temperature over time.

• D) To show the number of people voting for different candidates.

Answer explanation

A line graph is ideal for tracking changes over time, such as temperature fluctuations. It effectively shows trends and patterns, making option C the correct choice.

Question 9:
When creating a graph using a spreadsheet program, which of the following is NOT necessary?

• A) Inputting the data.

• B) Selecting a graph type.

• C) Writing a paragraph about the data.

• D) Labeling the axes.

Answer explanation

Writing a paragraph about the data is not necessary for creating a graph. The essential steps include inputting data, selecting a graph type, and labeling the axes to effectively represent the information.

Question 10:
Which of the following represents qualitative data?

• A) The number of people in a room.

• B) The different colours of cars in a parking lot.

• C) The weight of various animals.

• D) The amount of rainfall in different months.

Answer explanation

Qualitative data describes characteristics or qualities. Option B, the different colours of cars, represents qualitative data, while the other options involve numerical measurements.