Question: Which among the following statement(s) is/are true about histograms? I. Midpoints are useful in determining class widths and class boundaries. II. Histograms are useful in displaying cumulative frequencies. III. Histograms are used to display categorical data. IV. Histograms are not used to represent continuous data.
A ) I and II B ) II and III C ) I, II and IV D ) all are true
Steps to derive
1 The class width and class boundaries of a histogram can be determined by calculating the difference between the midpoints of adjacent classes.
2 Histograms can represent either frequency or cumulative frequency.
3 Histograms are not used for categorical data.
4 Histograms are used to represent continuous data.