question_answer

For the following data make a frequency distribution table and answer the following questions:

40, 38, 40, 37, 35, 33, 38, 31, 35, 40, 38, 38, 33, 40, 35, 31, 30, 37, 33, 30, 32, 38.

(a) What is the range of given data?

(b) What is the mode of given data?

Answer:

Figure Number of lines of

Number	Tally marks	Frequency
30	||	2
31	||	2
32	|	1
33	|||	3

Number	Tally marks	Frequency
35	|||	3
37	||	2
38		5
40	||||	4
Total		22

(a) Range = 40 ? 30 = 10 (b) Mode = 38, because 38 is repeated maximum 5 times.