Page 219 - Data Science class 10
P. 219

v.     Ravi’s customer comes to his store and starts shouting at him. He does not get angry. He listens to what his
                     customer is saying. He is ______________________.
                     a.  hardworking                                 b.  confident
                     c.  patient                                     d.  trying new ideas

                 vi.   Statement1: Economic development is using up resources of the world.

                     Statement2: This would have serious environmental problems, much worse than those that we are facing at present.
                     a.  Both Statement1 and Statement2 are correct
                     b. Both Statement1 and Statement2 are incorrect
                     c.  Statement1 is correct but Statement2 is incorrect

                     d.  Statement2 is correct but Statement1 is incorrect

            Q. 2.  Answer any 5 out of the given 6 questions                                         (1 × 5 = 5 marks)
                 i.   Which of the following term means ‘an average value of a data set’?
                     a.  Mean                                        b.  Median
                     c.  Mode                                        d.  Standard deviation

                 ii.     At the animal shelter, after counting the cats, they are weighed. The counts are ______________________ values while
                     their weights are ______________________ values.

                     a.  continuous, discrete                        b.  continuous, qualitative
                     c.  discrete, continuous                        d.  qualitative, continuous

                 iii.  μ and σ denotes __ and __ respectively.
                     a.  Mean and standard deviation                 b.  Mean and Sample size
                     c.  Standard deviation and mean                 d.  Standard deviation and sample size

                 iv.  ______________________ the process of combining two or more data sets into a single data frame.
                     a.  average                                     b.  sum

                     c.  difference                                  d.  product

                 v.  ______________________  aims at  creating  methods,  set of  responsibilities  and  processes to  standardize,  integrate,
                     protect and store data.

                     a.  National Curriculum Framework               b.  Data Governance Framework
                     c.  Current Curriculum Framework                d.  Business Process Framework

                 vi.   Confidential data can be stored in which of the following format?
                     a.  Digital Data                                b.  Physical Copies
                     c.  Both a and b                                d.  Neither a nor b

            Q. 3.  Answer any 5 out of the given 6 questions                                         (1 × 5 = 5 marks)

                 i.   If we consider all the flowers in a garden as one set, then what do we call a rose in the garden?
                     a.  Set                                         b. Subset

                     c.  Superset                                    d.  Powerset
                 ii.     Which term in data science refers to the method that shows the probable values for a variable and how often they
                     occur?


                                                                                 CBSE Sample Question Paper    217
   214   215   216   217   218   219   220   221   222