Podcast
Questions and Answers
What is the coefficient of variation?
What is the coefficient of variation?
- Mean of data divided by its standard deviation, expressed in percent
- Standard deviation of data divided by its mean, expressed in percent (correct)
- Range of data divided by its interquartile range
- Mode of data divided by its median
What is the purpose of the coefficient of variation?
What is the purpose of the coefficient of variation?
- To find the range of data
- To compare the relative dispersion of different datasets (correct)
- To find the median of data
- To find the mode of data
What are the components of the Five Number Summary?
What are the components of the Five Number Summary?
- Minimum, Median, Q1, Q3, Maximum
- Minimum, Q1, Median, Q3, Maximum (correct)
- Minimum, Q1, Q2, Q3, Maximum
- Minimum, Mean, Median, Mode, Maximum
What is the purpose of the Five Number Summary?
What is the purpose of the Five Number Summary?
What is represented by the lines extending above and below the box in a box plot?
What is represented by the lines extending above and below the box in a box plot?
What do outlying samples typically do in a plot?
What do outlying samples typically do in a plot?
What shape does a leptokurtotic distribution typically show on a Q-Q plot?
What shape does a leptokurtotic distribution typically show on a Q-Q plot?
What does a negative skewness value indicate?
What does a negative skewness value indicate?
What does a box plot typically show?
What does a box plot typically show?
What is the primary purpose of including a histogram or box plot in a report?
What is the primary purpose of including a histogram or box plot in a report?
What is the relation between the kurtosis value and the shape of the distribution?
What is the relation between the kurtosis value and the shape of the distribution?
What is the first quartile (Q1) of a data set?
What is the first quartile (Q1) of a data set?
What is the second quartile (Q2) of a data set?
What is the second quartile (Q2) of a data set?
What is the inter-quartile range of a data set?
What is the inter-quartile range of a data set?
What is the 25th percentile of a data set?
What is the 25th percentile of a data set?
What is the 75th percentile of a data set?
What is the 75th percentile of a data set?
If data is divided into 10 equal parts, what are the resulting cut points called?
If data is divided into 10 equal parts, what are the resulting cut points called?
