confidence interval for the difference between the proportions of women in these two fields of engineering. Is there a significant difference between the two​ proportions?   Let p1 be the population proportion of electrical engineers that are women in the schools that were surveyed and let p2 be the population proportion of chemical engineers that are women in the schools that were surveyed.   The 90​% confidence interval is nothing

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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.