To rename the columns in a DataFrame, you can use the Pandas rename() method.

Consider this cars DataFrame:  This combines the fueltype, aspiration, and doornumber columns into two columns:

Which of the following p-values will lead us to reject the null hypothesis if the significance level (alpha) of the test is 5%?

Consider these mortality DataFrames: mortality_long mortality_wide Which code below creates a line plot with the x-axis ranging from the year 2000 through 2008 and the y-axis ranging from 0 through 100?

Given the following distribution, what measure of central tendency is labeled by  B ? (Note that the distribution is not exactly to scale, but the relative placement of the measurements would be unchanged.)

Which statement saves a DataFrame named fires in a pickle file named fires.pkl?

Continuous random variables can take on an infinite number of values.

A linear correlation coefficient of -0.02 between two variables would generally indicate which of the following?

If the calculated p-value is larger than the critical value (alpha), which of the following is true?

Refer to the graph. The figure demonstrates which of the following?  (Note: While more than one statement below may be true, only one is illustrated by the figure.)