From a random sample drawn from the suburbs of a large city, 60% of the respondents are bilingual. For the whole metropolitan area, 75% are bilingual. The difference between the sample and the population has been tested and the null hypothesis has been rejected. Which of the following may be concluded from these observations?
A) that the suburbs are significantly less likely to be bilingual
B) that the difference is not significant
C) that a one-tailed test has been used
D) that a Type I error has been committed

Question

Quizplus · Accepted Answer

The rejection of the null hypothesis indicates that there is a statistically significant difference between the sample and the population, suggesting that the suburbs are significantly less likely to be bilingual compared to the whole metropolitan area.

From a Random Sample Drawn from the Suburbs of a Large