Suppose that we took a random sample of 81 students. Among this group, the average number of texts received during school was 50 with a standard deviation of 15. What is the 96% confidence interval for the average number of texts handled by all the teens daily? a) 50 ± 2.054(15) b) 50 ± 2.054 *15/sqrt(80) c) 50 ± 2.088*15/sqrt(81) d) 50 ± 2.054*15/sqrt(81) e) 50 ± 2.088*15/sqrt(80)

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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.