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C.   State whether the following statements are true or false.   .   hich of the follo ing is incorrect

  .    odelling is usually the most time consuming procedure in a data science pro ect.   a.   he testing phase  is essentially an iterative process.
                     b.   he  first fundamental  step  hen  starting  an AI  initiative is scoping.
  .    ross  alidation technique divides the provided dataset into t o subsets training set and test set.   c.   In scoping phase, it's crucial to precisely define the strategic business ob ectives and desired

  .    he problem solving methodology is iterative in nature.   outcomes of the pro ect,
  .    here are t o types of loss functions regression losses and classification losses.   d.   est data should include all relevant subsets of training data.
               Ans.  a.    he testing phase  is essentially an iterative process.
  .   In the Ideate stage of the D  process, conduct research  intervie s, polls, etc.) to better
 understand your users.    .  It is believed that if there is a          . in the data, then AI development techniques may be employed.
                     a.  pattern                                     b.  program
 SECTION B (Subjective Type Questions)  c.  language                 d.  logic
 A.   Short answer type questions.  Ans.  a.   pattern
  .   Define the follo ing D  stages    .  Assertion (A): It's crucial to precisely define the strategic business ob ectives and desired outcomes of the pro ect,
 a.   mpathise       align all the different stakeholders' e pectations, anticipate the key resources and steps, and define the success metrics.
 b.  Ideate          Reason (R):  electing the AI or machine learning use cases and being able to evaluate the  eturn on Investment
                       OI) is critical to the success of any data pro ect.
 c.   rototype
                      elect the appropriate option for the statements given above
  .   Differentiate bet een training set and test set.
                     a.   oth  A) and   ) are true and   ) is the correct e planation of  A).
  .    hat is a capstone pro ect   ive fe  e amples.  b.   oth  A) and   ) are true and   ) is not the correct e planation of  A).

  .     very pro ect starts  ith a business understanding.   omment.  c.   A) is true, but   ) is false.
  .    riefly e plain the t o splitting techniques used for evaluating the effectiveness of an AI model.  d.   A) is false, but   ) is true.

 B.   Long answer type questions.  Ans.  a.    oth  A) and   ) are true and   ) is the correct e planation of  A).
                  .  Once the relevant pro ects have been selected and properly scoped,  hich of the follo ing phase  ill be the ne t
  .    o  are     and      related   hat is their range  Are they sensitive to outliers
                     step of the machine learning lifecycle
  .    hat is  roblem Decomposition   ist the steps of decomposing a coding problem.  a.   roblem  coping      b.  Deployments

  .    ame all the stages of the problem solving methodology.  c.  Design      d.   esting
               Ans.  c.   Design
  .    hich factors play a role in the selection of a loss function for a mode
                  .   tudy the follo ing graph
  .    ist the types of analytical approaches in choosing a model.


 C.  Competency-based/Application-based questions:
  .    aideep is studying linear regression.  e studies that residuals are errors.  o ever, he is confused about their
 purpose.   o  can errors have a purpose  , he questions.   plain the importance of residuals to  aideep.
  .   Ishita has a small dataset consisting of only     ro s.  hich training and testing technique should she use   ive    rain  eight
 reasons for your choice.


 Previous Years’ Questions


  .  All the  algorithms  in machine learning rely on minimi ing or ma imi ing a function, called as          ..   ead si e

 a.  Ob ective function      b.   ocal  oss      hat does the line in the above figure represent
 c.   oss function       d.   radient Descent   a.  Actual values    represents error)       b.   et of predicted values
 Ans.  a.   Ob ective function  c.  It represents the error          d.   alues at   a is

               Ans.  a.   Actual values    represents error)


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