Histogram of Grouped Data (Revision)

Mathematics SSS 2 Third Term

WEEK 6

Histogram of Grouped Data (Revision)

Performance Objectives

Students should be able to;

1. State the need for grouped data
2. Form grouped frequency table
3. Calculate class boundaries, class intervals and class mark

The need for grouping

Content

Using the example below,

Let the record below be the mass of some people (in kg)

 

	66	48	71	61	39	68	33	60	52	44
	33	49	81	58	59	71	42	88	68	91
	80	66	70	26	96	63	76	46	51	61
	54	32	50	59	41	55	38	56	86	62
	50	69	23	84	77	…