author | Anoop Jacob Thomas<anoop@fossee.in> |
Mon, 11 Oct 2010 15:55:59 +0530 | |
changeset 289 | 3b801e60246a |
parent 288 | a3b98b4c371e |
permissions | -rw-r--r-- |
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Objective Questions |
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.. A mininum of 8 questions here (along with answers) |
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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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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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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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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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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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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 |
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---------------- |
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.. 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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