Question

1 The following table shows the distribution of the heights of a group of factory workers
150–155 155-160 160-165 165-170 170-175 175-180 180-185
Height (cm).150-155,155-160,160-165,165-170,170-175,175-180,180-185
No.of workers
12.
20
18
13
6
8
6
(1) Determine the cumulative frequencies.
(ii) Draw the cumulative frequency curve on a graph paper.
Use 2 cm = 5 cm height on one axis and 2 cm = 10 workers on the other.
(iii) From your graph, write down the median height in cm.
freque
(2000)​

Answer 1

Answer:

w have to form table of fi xi and fixi

Step-by-step explanation:

then we have to find median