Business Statistics

Chapter 3 | Measures of Central Tendency 95

grouping table is constructed as per the steps outlined above (see Table 3.26). The

analysis is explained in Table 3.27.

TABLE 3.26

Grouping table for Example 3.16

Value of the

items (x)

Frequency or sum of frequencies

1 2 3 4 5 6 Analysis table

8 5

11

19

9 6

14

21

10 8

15

24

I 1

11 7

16

24

II 2

12 9

17

26

IIIII 5

13 8

17

23

IIII 4

14 9

15

III 3

15 6

Note: Bold and underlined numbers indicate the highest total under each column.

TABLE 3.27

Separate analysis table for Example 3.16

Column no. Size of items containing maximum frequency

10 11 12 13 14

1 12 14

2 12 13

3 13 14

4 11 12 13

5 12 13 14

6 10 11 12

Number of items

1 2 5 4 3

As 12 ...