Question

22. A large IT company assigns a job to a technician, to repair its 200 computers
The following table shows the time taken by him in repairing these computers.
Time (t min) 20–30 30-40 40-50 50-60 60-70 70-80
Frequency 24 56 40 35 27 18
(1) Construct a less than type' ogive;
(ii) How many computers took more than 55 minutes.​

Answer 1

Answer:

Around 62 to 63 computers took more than 55 minutes to be repaired!

Step-by-step explanation:

Am attaching a photo with the answer as drawing an ogive is impossible..!

Answer 2

62 or 63 computers took more than 55 minutes.​

Step-by-step explanation:

The following gives the cumulative frequency of less than type ogive

total computers = 200

class                              frequency                less than type

less than 30                          24                              24

less than 40                          56                              80

less than 50                          40                             120

less than 60                          35                              155

less than 70                          27                              182

less than 80                          18                                200

the graph of the above information is shown below

from the graph it is observed that

around 62 and 63  computers took more than 55 minutes.​

#Learn more:

Present the following data in the form of 'less than' ogive and 'more than' ogive. Class (Mark obtained)

Number of student 0-10 10-20 20-30 30-40 40-5050-60 60-70 70-80 with calculation​

https://brainly.in/question/14553268