Question

The heights of employees in an office are as follows:
Height(in cm)
Number of Employees
130-140 140-150 150-160 160 - 170 170-180 180-190
8 18 20 5 4
Draw a histogram and frequency polygon for the above table.​

Answer 1

130-140 = tally marks. no.of employee

140-150 =

150-160 =

160-170 =

170-180 =

180-190 =

Answer 2

histogram and frequency polygon

Step-by-step explanation:

here ,

height               number of employees

130-140                      8

140-150                      18

150-160                      20

160-170                        5

170-180                       4

180-190                        3

The histogram and the frequency polygon is shown  in the attachment  below

A frequency polygon is a graph constructed by using lines to join the midpoints of each interval

#Learn more:

In an office the average height of 26 employees was measured to be 168 cm

https://brainly.in/question/11387833