Page 244 - AI Ver 1.0 Class 10
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11.  What is the average of numeric data in a given dataset known as?
                    a.  Mean                                           b.  Mode
                    c.  Variance                                       d.  Median

                 12.  Matplotlib uses a built-in function ………………………. to create a histogram.
                    a.  HIST()                                         b.  hist ()

                    c.  histogram()                                    d.  HistGram()
                 13.  Which of these was created by Wes McKinney in 2008?
                    a.  Pandas                                         b.  NLTK

                    c.  Modules                                        d.  NumPy

                 14.  The three broad domains of AI are:
                    a.  Data Science, NLP & CV                         b. CV, NLP & Algorithms
                    c.  Algorithms, Data & Coding                      d. None of these

                 15.  Text books, newspapers and online articles are examples of which type of data?
                    a. Secondary data                                  b. Text data

                    c. Primary data                                    d. All of these

              B.  Fill in the blanks.
                  1.  The ………………………. are used to define the type of data that needs to be acquired to achieve the goals of our project.

                  2.  ………………………. is the stage of cleaning the acquired data in the AI project cycle.
                  3.  This ………………………. data when given to the AI model will make the system intelligent.

                  4.  Data related to 2 or more dimensions is handled using ………………………. .
                  5.  ………………………. is a free and open source, data visualization library in Python built on NumPy arrays.

                  6.  Matplotlib can be downloaded from ………………………. .
                  7.  When the data is arranged in an ascending order then ………………………. is the middle number in a given dataset.

                  8.  ………………………. is the measure of dispersion of a set of data from its mean.

                  9.  The graphical representation of the data in a data set to identify patterns and trends out of it is called ………………………. .
                 10.   ………………………. is used for Data Visualisation in Python.

                 11.  Matplotlib uses a built-in function ………………………. to create scatterplots.

                 12.  ………………………. is used to plot data using rectangular bars or columns.
                 13.  ………………………. represents the frequency of the variable at different points of time.

                 14.  The ………………………. algorithm assumes that similar things exist in close proximity.
                 15.  ………………………. is used for continuous data and the bars created show no gap in between.

              C.  State whether the following statements are true or false.

                  1.  Presentations are a popular format of storing data.                                    ….…………….

                  2.  The companies use data to improve their products.                                      ….…………….



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