A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.02   with 90 ​% confidence if ​(a) she uses a previous estimate of 0.56 ​? ​(b) she does not use any prior​ estimates?   LOADING... Click the icon to view the table of critical values. ​(a) nequals nothing   ​(Round up to the nearest​ integer.) ​(b) nequals nothing   ​(Round up to the nearest​ integer.)

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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.