Presentation of Data - Online Test
Q1. Following are the forms of presentation of data except
Answer : Option C
Explaination / Solution:
Caption is one of the part of a table. It is not a form of presentation of data.
Q2. To represents two or more factors simultaneously the following diagram is used
Answer : Option B
Explaination / Solution:
Multiple bar diagrams are prepared by drawing two or more single bars corresponding to each year.
Q3. The sum of frequencies for all classes will always equal
Answer : Option B
Explaination / Solution:
If we collect the marks of 50 students in a test of 100 marks paper, we can present the data in the form of frequency distribution, marks can be shown as 10-20, 20-30, etc and corresponding frequencies will be number of students. If we do the total of frequencis we will get 50 students which is nothing but a number of elements in a data set.
Q4. An ideal table should consist of the following main parts except
Answer : Option C
Explaination / Solution:
Salutation is not a part of table. It is a part of latter. For example Dear Sir, Respected Madam, etc.
Q5. The numerical information in a statistical table is called the:
Answer : Option A
Explaination / Solution:
A table contains numerical data like population, income, production etc which is known as body of the table.
Q6. A systematic arrangement of data in rows and columns is:
Answer : Option B
Explaination / Solution:
In a tabular presentation, data are presented in rows (read horizontally) and columns (read vertically).
Q7. Pie chart is
Answer : Option C
Explaination / Solution:
A pie diagram is also a component diagram, but unlike a bar diagram, here it is a circle whose area is proportionally divided among the components. it represents. It is also called a pie chart. The circle is divided into as many parts as there are components by drawing straight lines from the centre to the circumference
Q8. Time series is the most important format of ______
Answer : Option D
Explaination / Solution:
An arithmetic line graph is also called time series graph. In this graph time (hour, day/date, week, month, year, etc.) is plotted along x-axis and the value of the variable (time series data) along y-axis.
Q9. Sub-divided bar diagram are also called _____ diagram
Answer : Option C
Explaination / Solution:
It shows different components in a single bar.
Q10. Squares are ______ dimensional diagrams
Answer : Option B
Explaination / Solution:
An area chart or area graph displays graphically quantitative data. It is based on the line chart . The area between axis and line are commonly emphasized with colors, textures and hatchings. Commonly one compares with an area chart two or more quantities.
