A 95% confidence interval for the proportion of students achieving a reading achievement score that is above the standard set by the teachers for a population of third grade students is (0.43, 0.49). Which is the correct interpretation of the confidence interval? a)95% of the third grade students scores between 43% and 49% of the reading achievement score. b)We are 95% confident that 43% to 49% of elementary school students achieves reading achievement score above the standard. c)We are 95% confident the true proportion of third grade students achieves reading achievement score above the standard is between 43% to 49% d)We are 95% confident that 43% to 49% of the sample of third graders achieves reading achievement score above the standard.

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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.