Question

the following chart shows the most downloaded apps among a sample of users for the years 2018, 2019, and 2020.
2018

1. app f
2. app g
3. app w
4. app s
5. app b
6. app k

2019

1. app b
2. app a
3. app g
4. app f
5. app s
6. app r

2020

1. app g
2. app b
3. app f
4. app s
5. app d
6. app a

use the venn diagram to indicate in which region, i through viii, app j should be placed
app j should be placed in region

Explanation:

Step1: Check app list

App J is not in the lists for 2018, 2019, or 2020.

Step2: Determine Venn - diagram region

Regions I - VII represent apps that are in at least one of the years. Region VIII represents apps that are not in any of the years. So App J belongs to region VIII.

Answer:

VIII