Data Handling

Statistical question is a question that can be aswered by collecting data and there will be variability in the data related to the question.

• True

• False

Data can be collected by various methods. The data collection method are:

• experiment

• survey

• interview

• observation

What is the best method to find out the height of students in a class?

• observation

• interview

• survey

• experiment

Which of the following data is categorical data?

• number of children in a family

• favourite colour of students

• students' scores in Mathematics test

• pocket money of students to school

Among the numerical data below, which is a discrete data?

• The body temperature of each student

• The height of each student

• The number of patients in a day

• The mass of babies born in hospital

After classifying the data, the next step is to interpret the data.

• True

• False

Data shown in the form of a table can also be presented graphically to make it easier to read and understand. The suitability of a data representation depends on the type of data collected and the purpose of acquiring the information.

How do you construct data representation?

• Bar Chart

• Pie Chart

• Line Graph

• Dot plot

• Stem Dot Plot

What type of data representation as shown in the picture?

• Stem-and-leaf plot

• Bar chart

• Dot plot

• Line graph

When representing data using a bar chart :

• the width of each bar must be uniform

• there is no gap between the bars

• the bars need to be evenly spaced

A line graph is suitable to shows the portion of each category of the whole data.

• True

• False