Question

the two - way frequency table shows data on students who use the social media platforms: snapchat and instagram. use the table to answer the following question: how many total students use instagram? 28 21 9 48 37

Explanation:

Step1: Recall two - way table concept

The total number of students who use Instagram is the sum of those who use Instagram and Snapchat and those who use Instagram but not Snapchat.

Step2: Find relevant values

The number of students who use Instagram and Snapchat is 7. The total number of students who use Snapchat is 16, so the number of students who use Snapchat but not Instagram is \(16 - 7=9\). The number of students who do not use Instagram and do not use Snapchat is 27, and the total number of students who do not use Instagram is 36, so the number of students who use Snapchat but not Instagram is also found this way. The total number of students is 64. The number of students who do not use Instagram is 36.

Step3: Calculate

The total number of students who use Instagram is \(64 - 36=28\).

Answer:

28