+
−Objective Questions
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−-------------------
+
−
+
−.. A mininum of 8 questions here (along with answers)
+
−
+
−1. What is a log-log chart?
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−
+
−   a. A straight line graph
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−   #. A graph on the logarithmic scale
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−   #. A graph on the logarithmic scale with different scales for x and
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−      y axes
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−   #. A graph in which x axis is represented in logarithmic scale.
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−
+
−Answer: A graph on the logarithmic scale with different scales for x
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− 	and y axes
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−
+
−2. We have two lists with us ``years`` and ``profit``, what statement
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−   can be issued to plot a pie chart to plot the profit for each year,
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−   and each wedge has to be labelled with the corresponding year.
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−
+
−Answer: pie(profit, labels=years)
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−
+
−3. We have two lists with us ``years`` and profit``, what statement
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−   can be issued to plot a scatter plot of the data in blue colored
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−   diamonds. ``years`` has to be plotted along x-axis.
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−
+
−Answer: scatter(year,profit,color='blue',marker='d')
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−
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−4. ``scatter(x, y, color='blue', marker='d')`` and ``plot(x, y,
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−   color='b', marker='d')`` does exactly the same.
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−
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−   a. True
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−   #. False
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−
+
−Answer: False
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−
+
−5. ``plot(x, y, 'bd')`` creates a scattered plot in blue color and
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−   diamond markers?
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−
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−   a. True
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−   #. False
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−
+
−Answer: True
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−
+
−6. ``scatter(x, y, 'bd')`` creates a scatter plot in blue color with
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−   diamond markers.
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−
+
−   a. True
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−   #. False
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−
+
−Answer: False
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−
+
−7. What statement can be issued to generate a bar chart with 135\
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−   :sup:`o` hatched bar filled with white.
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−
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−   a. bar(x, y, color='w', hatch='/')
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−   #. bar(x, y, color='w', hatch='\\')
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−   #. bar(x, y, color='w', hatch='\')
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−   #. bar(x, y, color='w', hatch='|')
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−
+
−Answer: bar(x, y, color='w', hatch='\\')
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−
+
−8. What statement can be issued to generate a bar chart with vertical
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−   line hatching.
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−
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−   a. bar(x, y, color='w', hatch='/')
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−   #. bar(x, y, fill=False, hatch='\\')
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−   #. bar(x, y, fill=False, hatch='|')
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−   #. bar(x, y, color='w', hatch='\')
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−
+
−Answer: bar(x, y, fill=False, hatch='|')
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−
+
−Larger Questions
+
−----------------
+
−
+
−.. A minimum of 2 questions here (along with answers)
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−
+
−1. Plot a log-log chart of the equation y=4*x\ :sup:`2` + 3*x for x
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−   from -50 to 50.
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−
+
−2. Plot a bar chart which is filled with white color and which is
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−   hatched with 135\ :sup:`o` slanting lines for the data given in the
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−   `file(company A data) <company-a-data.txt>`_ which has years and
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−   profit percentage for each year.
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−