Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 minutes and 24.5 minutes. What is the study's margin of error?

Question

Tia

Mathematics

9 December, 17:20

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 minutes and 24.5 minutes. What is the study's margin of error?

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Answers (1)

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Ellis Goodman · Answer 1

+ / - 1.65

Step-by-step explanation:

The margin of error will be the difference divided by two with a plus and minus sign

So we have;

24.5 - 21.2

= 3.3

Divide by 2

3.3/2

= 1.65

The margin error is therefore

+ / - 1.65