TN +2 Annual Exam 2022 Question paper with answer key- Business Maths and Statistics

[Thirumagan]

• A   ----------  of statistical individuals in a population is called a sample.
  

(a) finite set    (b) infinite set
© entire set    (d) finite subset

• Which of the following Index number satisfy the time reversal test ?
  

(a) Paasche’s Index number    (b) Fisher Index number
© Laspeyre’s Index number    (d) All of them

• Find the differential equation of the family of all straight lines passing through
  

the origin.

• If the mean of binomials distribution is 20 and standard deviation is 4, then find
  

the value of ‘n’.

• State the uses of Index number.
  

• What are the properties of Mathematical expectation?
  

• A person tosses a coin and is to receive Rs.6 for a head and is to pay Rs.3 for a tail. Find the expectation and variance of his gains.
  

These are some questions that were asked for Plus One Business Maths & Statistics Annual Exam 2022. Get the detailed question paper with the answer keys (Both Tamil & English) from the links below.

[Evaan]

Sir please add detailed solutions