CLASS XI STATISTICS

Q.NO.1 Data originally collected in the process of investigation are known as

• Secondary data
• foreign data 
• primary data
• third data

Q.NO.2 What is secondary data?

• data collected from some other agency
• none 
• both
• data collected in the process of investigation

Q.NO.3 Which of the following is not the published sources?

• Govt publications
• Semi govt publications
• international publications
• website

Q.NO.4 The method of generalizing data collected from a few units out of the entire population is called...

• sample method
• census method
• median
• probability

Q.NO.6 A Person who actually collect the desired information is called..

• Population
• Respondents
• investigators
• Enumerators

Q.NO.7 Sample method compared to Census method is much better because

• more expensive
• more reliable
• it is less time consuming
• carried out by large no. of investigators

Q.NO.8 Statistical enquiry means..

• search for knowledge with the help of statistical methods
• collection of anything
• search for knowledge 
• it is science for knowledge

Q.No.9 Which of the following is true regarding secondary source of data???

• It provides first hand information
• it implies collection of data from its original source
• collection of data from sources who already collected the data
• can rely on this data as compare to primary data

Q.NO.10 Collection of data includes ...

• Only collecting of information
• Method of collecting data
• Collecting valuable data from vareity of sources using suitable method of collection
• Regeneration of data from actual one

In its singular sense, Statistics means

• Aggregate of numbers

• Numerically expressed data

• Statistical methods

• None of these