Statistics Module

When was the Python statistics module introduced?

• Python 3.6

• Python 2.7

• Python 3.0

• Python 3.4

What does the statistics.mean() function calculate?

• Mean

• Variance

• Mode

• Median

Which function calculates the harmonic mean?

• statistics.median()

• statistics.mode()

• statistics.harmonic_mean()

• statistics.stdev()

What is the purpose of the statistics.median_grouped() function?

• Calculates the median of ungrouped data

• Calculates the median of grouped continuous data

• Calculates the mode of grouped data

• Calculates the variance of grouped data

Which function is used to calculate the standard deviation from a sample of data?

• statistics.pstdev()

• statistics.variance()

• statistics.stdev()

• statistics.pvariance()

What does the statistics.mode() function find?

• The highest frequency value

• The lowest value

• The middle value

• The average value

Which function calculates the variance from an entire population?

• statistics.mean()

• statistics.variance()

• statistics.pvariance()

• statistics.stdev()

What does the statistics.median_low() function calculate?

• The grouped median

• The harmonic mean

• The low median

• The high median

Which of the following is not a function in the Python statistics module?

• statistics.mode()

• statistics.harmonic_mean()

• statistics.median_high()

• statistics.correlation()

What is the primary use of the Python statistics module?

• Machine learning

• Web development

• Data analysis

• Calculating mathematical statistics of numeric data