What is the difference between grouped and ungrouped data?
A:
Quick Answer
Grouped data is data that has been organized into classes. Grouped data has been classified and some data analysis has been done, which means this data is no longer raw. Un-grouped data has not been organized into groups. It is just a list of numbers.
Continue Reading
Grouped data is data that has been organized into classes. Grouped data has been classified and some data analysis has been done, which means this data is no longer raw. Un-grouped data has not been organized into groups. It is just a list of numbers.
Learn more about Statistics
A:
According to HealthKnowledge, the main disadvantage of parametric tests of significance is that the data must be normally distributed. The main advantage o...
Full Answer >
A:
Statistics play an important role in research of almost any kind because they deal with easily-quantified data. When working in fields such as science or m...
Full Answer >
A:
To find the IQR, find the median or center of the data, calculate the median of the lower and upper halves of the data, and find the difference between the...
Full Answer >
A:
Chebyshev's theorem, or inequality, states that for any given data sample, the proportion of observations is at least (1-(1/k2)), where k equals the "withi...
Full Answer >