A study estimated that the average daily screen time for teenagers in a certain city is 6.8 hours, with an associated margin of error of 0.5 hours. Which of the following statements is a valid interpretation of this result?
Every teenager in the city spends between 6.3 and 7.3 hours on screens daily.
It is highly probable that the true average daily screen time for all teenagers in the city is between 6.3 hours and 7.3 hours.
The average daily screen time for teenagers in the city is definitely 6.8 hours.
The study guarantees that no teenager spends more than 7.3 hours on screens daily.
