Mathematics, 29.04.2021 22:50, curlyysav536

A researcher surveyed 220 residents of a city about the number of hours they spend watching news on television each day. The mean of the sample was
1.8 with a standard deviation of 0.35.
The researcher can be 95% confident that the mean number of hours all the
residents of the city are watching news on television is 1.8 with what margin
of error?

Answers: 2

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A researcher surveyed 220 residents of a city about the number of hours they spend watching news o...