Use of statistical tools

Identify the type of graph.

Identify the type of graph.

• Histogram

• Frequency polygon

• Pie chart

• Line graph

Identify the type of graph.

Data collected for the first time from the source of origin is called…….

• Internal data

• Primary data

• Secondary data

You have to interview a group of citizen from Rural area about the availability of clean drinking water. Which method of collection of data do you think is the most suitable? Why?

Which of the following is a statistical method to find the average weight of 20 students in a class?

• Sampling method

• Standard deviation

• Mean method

• None of the above

Name two types of analysis and interpretation.

Primary data is based on————-