Question

Find the modal class and the actual mode of the data set given

below using. (6 marks)

i. Inspection method

ii. By grouping and analysis table method

Number Frequency

1-3 7

4-6 6

7-9 4

10-12 2

13-15 2

16-18 8

19-21 1

22-24 2

25-27 3

28-30 2​

Answer 1

Answer:

How To Obtain The Mean, Median And Mode From A Frequency Table? To find the mean: Multiply midpoints by frequencies, add the subtotals and divide by the total of the frequencies. To find the mode: Look for the largest frequency and the corresponding value is the modal value or modal class.