Answer:
Range, Interquartile range, Quartiles.
Explanation:
Spread of measure:It describe the how similar or varies the set of observed values fora particular variable.
It includes range , quartiles, interquartile range , variance and standard deviation.
Range: It is defined as the values which lies between the minimum and maximum value of given data.
Quartile: Given data arranged in increasing order and then find the median .
First quartile is defined as the median value of the observations which lies on left sides of median of all given observations.
Third quartile: It is defined as the value of median of the observations that lie on right sides of the median of all given observations.
Interquartile range :It is defined as the difference value of the first quartile and third quartile .
Answer: Range, Interquartile range, Quartiles.