Q. All values of categorical data are either in categories or np.nan.

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Q. The plot method on Series and DataFrame is just a simple wrapper around ____________

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Q. Point out the correct combination with regards to kind keyword for graph plotting.

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Q. Which of the following value is provided by kind keyword for barplot?

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Q. You can create a scatter plot matrix using the __________ method in pandas.tools.plotting.

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Q. Point out the wrong combination with regards to kind keyword for graph plotting.

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Q. Which of the following plots are used to check if a data set or time series is random?

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Q. Plots may also be adorned with error bars or tables.

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Q. Which of the following plots are often used for checking randomness in time series?

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Q. __________ plots are used to visually assess the uncertainty of a statistic.

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Q. Andrews curves allow one to plot multivariate data.

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Q. Which of the following is used to compute the percent change over a given number of periods?

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Q. Point out the correct statement.

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Q. Which of the following object has a method cov to compute covariance between series?

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Q. Which of the following specifies the required minimum number of observations for each column pair in order to have a valid result?

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Q. Point out the wrong statement.

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Q. Which of the following is implemented on DataFrame to compute the correlation between like-labeled Series contained in different DataFrame objects?

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Q. rolling_count function gives the number of non-null observations.

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Q. Which of the following method produces a data ranking with ties being assigned the mean of the ranks for the group?

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Q. Which of the following can potentially change the dtype of a series?

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