which measure best describes the data set
The mean may be a good measure but not if the data distribution is very skewed.
It is a measure of the spread or dispersion of the data.
mean
The IQR gives the range of the middle half of the data and, in that respect, it is a measure of the variability of the data.
that would be Positive Correlation
The median.
It describes the "middle" of the data set.It describes the "middle" of the data set.It describes the "middle" of the data set.It describes the "middle" of the data set.
Nothingness. Nothingness. Nothingness. Nothingness.
The mean may be a good measure but not if the data distribution is very skewed.
True-as in an average.
spreadsheet
When a data set has an outlier, the best measure of center to use is the median, as it is less affected by extreme values compared to the mean. For measure of variation (spread), the interquartile range (IQR) is preferable, since it focuses on the middle 50% of the data and is also resistant to outliers. Together, these measures provide a more accurate representation of the data's central tendency and variability.
A data set that describes the colors of cars in a parking lot would be classified as qualitative data. This is because the data is descriptive and categorical in nature, rather than numerical or measured.
(As in Jeopardy) - What is "standard deviation"?
bimodal
It gives a measure of the spread of the data.
The mode