Question

2. The costs of 25 cards bought by Meera are given below. Represent this data
in the form of a frequency distribution table using tally marks.
15, 20, 22, 15, 27, 30, 22, 20, 30, 27, 15, 20, 30, 30, 30, 21, 22, 20, 27, 15,
20, 27, 27, 22, 15​

Answer 1

The frequency table is attached below.

Additional Information :)

Data is a collection of information.

We can say that data is divided into two types. They are -

• Qualitative data⇒  The data which describes something is known as qualitative data.
• Quantitative data ⇒ The data which gives numerical information is known as quantitative data.

Data can be collected through several ways like conducting surveys or directly asking. Data can also be obtained from newspaper and magazines sometimes.

Representation of data can be done in the form of -

• Line Graph
• Bar Graph
• Pie Chart
• Frequency Chart
• Tally Marks
• Pictograph
• etc.