In: Math
In an attitude test, 55 out of 120 persons of Community 1 and 115 persons out of 400 of Community 2 answered “Yes” to a certain question. Do these two communities differ fundamentally in their attitudes on this question?
Let denote the proportion of people who answered “Yes” to a certain question among Community 1 and Community 2 respectively.
Conclusion : There is sufficient evidence to support the claim that these two communities differ fundamentally in their attitudes on this question