How many more Tweets are students at Hempstead High School sending in 2017 than in 2012? The table below displays summary statistics from a random sample of students selected in 2012 and a random sample selected in 2017. Mean Tweets Standard Population per Day Deviation 2012 40 4.3 5.6 2017 55 7.9 2.1 1. Construct a 90% confidence interval for the true difference in the mean number of Tweets for students at this high school from 2012 to 2017.

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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.