Page 134 - Data Science class 10
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5.  What is the Median of the following data sample?

               2, 7, 4, 8, 9, 10, 6, 12, 13
              a.  8                                              b.  11

              c.  9                                              d.   10
            6.  If the mean and the mode are given as 35 and 30. Find the Median.

              a.  75                                             b.  33.33
              c.  19                                             d.  32

            7.  Which of the following is a method of subsetting?
              a.  Row-based subsetting                           b.  Column-based subsetting
              c.  Data-based subsetting                          d.  All of these

            8.  Choose the correct answer regarding two-way frequency table.

              a.  Two-way frequency tables are a visual representation of the possible relationships between two sets of
                 categorical data.
              b.  Two-way frequency tables show how many data points fit in each category.
              c.  Both a. and b.

              d.  None of these
            9.  Find the median of the calls received on 7 consecutive days 11, 13, 17, 13, 23, 25, 19.

              a.  13                                             b.  23
              c.  25                                             d.  17

           10.  Find the arithmetic mean of the set of data: 6, 1, 5, 8, and 10.
              a.  4                                              b.  5

              c.  6                                              d.  7

        B.  Fill in the blanks.
            1.  ____________________ is a science of exploring available data and utilising it in your day-to-day transactions.

            2.  A ____________________ is a two-dimensional data structure in which data is arranged in tabular form, i.e., in the form of
              rows and columns.
            3.  ____________________ means the value derived from the random variables in the set of data that reflects the midpoint of
              the data distribution.

            4.  The ____________________ is the "middle" value in the list of numbers.
            5.  The ____________________ means the number that appears the most in a dataset.

            6.  To find the ____________________, your numbers have to be arranged in ascending or descending order.
            7.  When you simply say mean, it always means ____________________ .

            8.  ____________________ frequency tables display how many data points fit in each category.

            9.  ____________________ are used for record keeping.
           10.  Frequency tables are usually produced on ____________________ variables.



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