# Presentation of Data - Online Test

Q1. ___________ means exhibition of data in such a clear and attractive manner that these are easily understood and analyzed
Explaination / Solution:

Presentation of data involves presenting raw facts and figures in the form of tables, charts and diagrams which is easy to understand for the users of data.

Q2. Which of the following is one dimensional diagram?
Explaination / Solution:

A diagram in which the size of only one dimension i.e. length is fixed in proportion to the value of the data is called one dimensional diagram. Such diagrams are also popularly called bar diagrams.

Q3. A graphical representation of frequency distribution is called a
Explaination / Solution:

Histogram is one of the tool of presentation of data. Other options are not used to present data.

Q4. A good title should have following features except
Explaination / Solution:

Ambiguous title may lead to wrong understanding or different understanding of title by the users.

Q5. __________ stands for brief and self explanatory headings of horizontal rows
Explaination / Solution:

Like a caption or column heading each row of the table has to be given a heading. The designations of the rows are also called stubs or stub items, and the complete left column is known as stub column. A brief description of the row headings may also be given at the left hand top in the table.

Q6. Diagrams which take shapes like rectangles, squares, circles, cubes, sphere etc. are called
Explaination / Solution:

Example of geometric graphs are bar diagrams, pie diagrams, etc.

Q7. Percentage bar diagram has
Explaination / Solution:

For contacting a percentage bar graph, data has to be converted in percentage form. Percentage bar diagrams have same length.

Q8. A pictogram is
Explaination / Solution:

a pictograph is a graph that shows numerical information by using picture symbols or icon to represent data sets. The advantage of using a pictograph is that it is easy to read

Q9. Formula for calculating adjusted frequency is
Explaination / Solution:

Adjusted frequency of a class may be defined as the product of the frequency of corresponding class and the ratio of minimum class size to the class size. We use the concept of adjusted frequency distribution to draw histogram of the class intervals of different width. Using it the frequency of the class intervals are adjusted in order to make the frequencies of the each class intervals and the area of the corresponding bar representing the histogram of class intervals in equal proportion.

Q10. Caption stands for
Explaination / Solution:

At the top of each column in a table a column designation is given to explain figures of the column. This is called caption