Central Tendency Formula For Grouped Data. Symbol Definition x the sample mean X the midpoint of a class. Median The score in the middle when the scores are ordered.
Chapter 5 Measuring Central Tendency of Grouped Data I. For grouped data class mode or modal class is the class with the highest frequency. Organizing continuous data in tables Section 22 pp.
Organizing continuous data in tables Section 22 pp.
Mean The sum of all scores divided by the number of scores. Cant find the actual mean as we dont have the actual data. Median class is that class whose cumulative frequency is greater than the value of N2 ie. 33 Measures of Central Tendency.
