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? (Use the formula M=1.96×sN√ )

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.