Question

a shop repairs 5 types of electronic devices. the number of repairs for each type of device last week is shown in the bar graph below. use this bar graph to answer the questions.
(a) which type of device was repaired the most often?
telephone computer radio dvd player cd player
how many repairs were made on that type of device?
repair(s)
(b) how many more repairs were made on telephones than radios?
more repair(s)
(c) how many types of devices had more than 4 repairs?

Explanation:

Step1: Read repairs from graph

Telephone:6, Computer:8, Radio:2, DVD:4, CD:4

Step2: Identify most repaired device

Max repairs=8 (Computer)

Step1: Get telephone and radio repairs

Telephone=6, Radio=2

Step2: Compute difference

6-2=4

Step1: Find devices with >4 repairs

Telephone(6), Computer(8)

Step2: Count such devices

2

Answer:

computer, 8